With the continuous development of science and technology, automatic gearbox has been widely used in automobile industry. Among these automatic gearboxes, CVT (continuously variable transmission) and automatic transmission are the two most common ones. In this paper, CVT gearbox and AT gearbox will be compared and analyzed from the point of view of service life of 100 thousand kilometers, and their differences will be discussed.

CVT and AT Introduction CVT gearbox is a continuously variable automatic gearbox, and its structure is mainly composed of and. CVT is characterized by stepless speed change, smooth acceleration or deceleration, and improved driving comfort. However, due to its structural reasons, the torque bearing capacity of CVT gearbox is relatively low and the fuel consumption is relatively large.

AT gearbox is an automatic gearbox with step speed change, which is composed of hydraulic torque converter, and. AT gearbox is characterized by simple operation, good durability and high torque, so it performs better in power transmission. However, the fuel consumption of AT gearbox is relatively high, and the shift process is also slightly frustrated.

Analysis of service life From the service life of 100,000 kilometers, there are some differences between CVT gearbox and AT gearbox.
First of all, from the reliability point of view, CVT gearbox has a relatively low failure rate under the same mileage because of its simple structure. However, because of its complex structure, AT gearbox involves the cooperation of multiple parts, so its failure rate is relatively high under the same mileage.

Secondly, from the performance point of view, CVT gearbox, because of its stepless speed change, makes the vehicle more smooth during acceleration and deceleration, and improves the driving comfort. Although the AT gearbox is easy to operate, there is a sense of frustration in the shift process, which affects the driving comfort.

Details and cases The specific details and cases can better illustrate the performance of CVT and AT gearboxes in actual use. For example, when driving in the city, CVT gearbox makes drivers more relaxed and reduces fuel consumption because of its smooth acceleration and deceleration performance. On the other hand, when driving on the highway, AT gearbox shows its advantages of durability and bearing high torque, which makes the vehicle more stable when driving at high speed.

However, in some specific cases, the performance of CVT and AT gearboxes may change. For example, in the case of large torque, CVT gearbox may slip, which affects its transmission efficiency. In this case, AT gearbox shows better stability and transmission efficiency.

Conclusion Based on the above analysis, we can draw the following conclusions: 1. In the service life of 100 thousand kilometers, CVT gearbox has advantages in reliability and low failure rate; 2. CVT gearbox performs better in driving comfort, and the acceleration and deceleration process is smoother; 3. AT gearbox performs better in bearing high torque, and is suitable for high-speed driving or bearing heavy load; 4. Under different road conditions and driving demands, CVT and AT gearboxes have their own advantages, and the choice should be made according to the actual situation.

Therefore, when choosing an automatic gearbox, consumers should choose the type that suits them according to their actual needs and usage scenarios.

[ITBEAR] With the rapid development of automotive technology, high-end brands such as the pure electric G-class hard-core off-road vehicle launched by Mercedes-Benz have demonstrated the amazing action of 720-degree U-turn with its extraordinary performance of four wheels and four motors, which has aroused widespread concern in the market. However, the high price has discouraged many ordinary consumers.

Just then, Baojun Automobile brought an exciting news. They officially released the brand-new four-wheel intelligent drive technology of Tianyu architecture, which is proudly called by Baojun as the 100% self-developed achievement of full stack technology. It not only supports in-situ U-turn, but also can realize diversified functions such as lateral driving and curve driving.

In order to prove the practicability of this technology, Baojun Automobile also released a real vehicle demonstration video equipped with this technology. In the video, Bao Junyue also demonstrated its unique four-wheel steering ability, which not only can easily complete the action of turning in circles, but also solves the problem of side parking through the lateral movement function. The function of sliding curve driving is expected to provide stronger stability when changing lanes at high speed.

Although similar technical concepts have appeared in the past, such as the related technologies demonstrated by modern Mobius, mass production has not yet been realized. Therefore, if Baojun can take the lead in applying this technology to mass production models and bring it to the market, it will undoubtedly seize the opportunities in the industry and bring unprecedented driving experience to consumers.

This technical breakthrough of Baojun not only demonstrates its innovative ability in the field of automotive technology, but also brings the possibility of enjoying high-tech driving experience for ordinary consumers. In the future, we have reason to expect more similar innovative technologies to be applied to a wider range of vehicles.

accelerate brake fuel consumption second rice liter Rejuvenating overnight, testing the Buick Envision S two-wheel drive Review Editor – Li Qiaochen:

After the appearance of the Buick Envision S is completely younger, the whole car naturally becomes more lively. Compared with the current Envision, it is impossible to see any inheritance between the two. The interior’s driver-led style also shows that the designer of Buick is trying to create a mid-sized SUV model that is no longer old-fashioned. The dynamic performance is very surprising, and the chassis adjustment is somewhat sporty. The power reserve is sufficient, and the power output can always be more in your driving rhythm.

Review Editor -:

Buick has been getting younger in recent years, and this Envision S is no exception. A mid-size SUV can be so low that it even has the illusion of a station wagon, which is a change from the Envision’s mature and stable image. Although it is mainly a two-wheel drive model, the driving experience in the city has little impact. The brisk and even slightly sensitive throttle and solid chassis are sure to make drivers fall in love with this SUV.

Review Editor – Hong Bingqing:

From the exterior design, it can be seen that this is an "unconventional" SUV, and it is a farewell to everyone’s inherent Buick. The exterior decoration of this sports version is spot on, but it is not out of line. The interior is also not stuck to the old rules, playing a driver-centric design, which can be described as very bold. Since it is mainly a two-wheel drive model, the more sporty driving style of the Envision S becomes reasonable. It is a mid-size SUV, but it will not be boring to drive in the city.

Some people say that 4G is an opportunity for domestic mobile phones. In fact, many manufacturers are working hard to kill the field of 4G mobile phones, so it is not a reshuffle of the industry! At present, major first-line manufacturers have launched flagship ace products and tried their best to seize the 4G market. Looking at the 4G products, their configuration, appearance and other indicators are indispensable, but at the moment when the 4G signal has not yet achieved full coverage, the performance of the 4G network is an important aspect to consider. Of course, this is also the foundation of 4G mobile phones.

In the 4G mobile phone market where hundreds of schools of thought contend, who will stand out and lead the 4G trend, and how should consumers choose? In this article, we will take a detailed inventory of the flagship 4G mobile phones of various brands, and determine who is the real king of 4G mobile phones through a comprehensive battle of strength!

Huawei P7: Extremely fast connection + extreme experience, leading 4G mobile phone boutique

Since it is the battle for the king of 4G mobile phones, we might as well take a look at the manufacturer that released the world’s first LTE CAT4 mobile phone, Huawei. On the 7th of last month, Huawei released its annual flagship new product, the Ascend P7, in Paris, the fashion capital. This mobile phone features three major features: extreme appearance, extremely powerful photography, and extremely fast network. Since its launch one month ago, it has maintained a daily sales record of nearly 10,000 units, which shows the charm and popularity of its products.

With a number of 4G patented technologies owned by Huawei and professional and powerful production technology, Huawei P7 has successfully advanced to the model of ultra-thin 4G mobile phones. The thickness of the P7 body is only 6.5mm, the use of double-sided glass and metal frame, the back is modeled after the concept of infinite circulation of Mobius ring, and the "most beautiful mobile phone back" is finely polished.

In terms of configuration, the P7 adopts a 5.0-inch screen with a resolution of 1920 * 1080 pixels, a 1.8GHz HiSilicon Kirin 910T quad-core processor, and a standard combination of 2GB RAM + 16GB ROM. The new Emotion UI 2.3 is equipped to ensure the smooth operation of the whole machine. In addition, the machine is equipped with a 2500 mAh battery, relying on Huawei’s unique power-saving technology, the battery life is also very awesome. In terms of photography, the P7 rear 13 million Sony’s back-illuminated IMX214 sensor lens, which supports dark light photography, panoramic selfie, 1.2s speed capture and other camera modes, and the imaging effect is good.

In particular, it is commendable that the P7 adopts the main classification dual antenna design and intelligent network selection technology, which can ensure fast signal reception and stable switching of 3G/4G, and the network performance is quite excellent. At present, the price of the P7 is only 2888 yuan, which is cost-effective and perfectly supports the 4G version of the three major operators. Coupled with the extremely balanced whole machine experience and extremely fast and excellent network performance, it also makes the P7 a strong leader in the 4G mobile phone rankings.

Samsung S5: Classic appearance + three-proof features, a popular 4G flagship

As a new year’s masterpiece for Samsung, the Samsung GALAXY S5 4G has been very popular since its launch and is highly respected by star fans. The Samsung S5 also has a 4G version of the three major standards of Mobile, China Unicom, and Telecom, but the machine does not work hard on 4G connection like Huawei P7. It seems that this is just Samsung’s homeopathic approach to 4G networks, hoping to withstand the long-term test of users.

Samsung GALAXY S5 is equipped with a 5.1-inch FHD Super AMOLED display on the front, with a resolution of 1920X1080 pixels FHD level, and the display effect is also very good; the core has a built-in 2.5GHz Snapdragon 801 quad-core processor, and a memory combination of 2GB RAM + 16GB ROM. On the back of the fuselage, 16 million pixel ISOCELL lens is used for the first time, including LED fill light, which can easily support 4K video recording, and supports "refocus" technology, which makes the machine perform better in taking pictures.

It is worth mentioning that the Samsung S5 also adds fingerprint recognition, heart rate sensing and IP67-level dustproof and waterproof, and a protective cover is also added to the charging port, and the back of the rubber-like back shell also brings users a good feel and better visual effect. These features, plus the star effect of Shuangxian endorsements, have undoubtedly brought Samsung S5’s hot sales, but compared with the previous generation, Samsung S5 innovation is not obvious. At present, its market price of 4999 yuan has dropped. Overall, Samsung S5 is excellent but not outstanding!

HTC M8: Excellent workmanship + photography strength, focusing on audio-visual entertainment enjoyment

HTC M8 is also a popular 4G smart model, but it only supports the 4G version of China Unicom and Mobile, not the telecom version. However, as HTC’s flagship series, its strength is still at the top of the industry.

In terms of product workmanship, the all-metal integrated body is the biggest highlight of the machine. Following many features of the original HTC One, including the BoomSound speaker grille, curved backplane and horizontal wire drawing, about 90% of the case of the M8 is made of aluminum alloy, the whole machine is more metallized, and its rounded corner design and curved backcase metal wire drawing are also very beautiful, not only more gorgeous, but also smoother.

In addition, the strength of the machine in the audio and video can not be underestimated, it is equipped with a 5 million pixel front-facing camera and equipped with two rear cameras of which Ultrapixels ultimate pixel concept 4 million pixel lens and a depth of field camera, the main camera is responsible for shooting, and the sub camera is mainly responsible for measuring the depth of field range, can provide better focus, depth of field effect and image quality, and let the phone achieve similar light field camera effect.

In terms of parameters, the HTC M8 is not much different from Huawei P7, Samsung S5, etc. It is equipped with a 5-inch capacitive multi-touch screen, with a resolution of 1920X1080 pixels FHD level, and the display effect is equally excellent. On the core side, it is a 2.5GHz Snapdragon 801 quad-core processor, as well as a memory combination of 2GB RAM + 16GB ROM, built-in 2600mAH battery, supports 4G LTE, and uses the latest HTC Sense6.0 based on Android 4.4 KitKat operating system. In addition to the price is still around 4400 yuan, which is a bit high, the HTC M8 generally performs well.

OPPO Find 7:2K ultra-clear screen + VOOC flash charging, two highlights to earn enough attention

The OPPO Find 7 is also a hot and powerful product in many 4G mobile phones. Here we refer to the standard version that has just been sold. The machine is very rare and uses 2560X1440 pixel resolution, which is concentrated in a 5.5-inch screen, making its display effect very eye-catching. Secondly, VOOC flash charging technology is another killer of OPPO Find 7. This fast charging technology is independently developed by OPPO. It uses a low-voltage and high-current charging method to achieve four times the charging speed. Two highlights

The standard version of OPPO Find 7 core has a 2.5GHz Snapdragon 801 MSM8974AC quad-core processor, as well as a memory combination of 3GB RAM + 32GB ROM, which is very powerful and can run Android 4.3 system perfectly. On the back of the fuselage, it also has a 13 million pixel Sony’s strongest stack camera, including LED fill light, and its corresponding 5 million pixel front lens. The configuration has also reached a first-class level.

In addition, in the 4G experience, OPPO Find 7 has also made some efforts in software, jointly creating the original picture theater of the 4G era with Sohu Video, allowing users to enjoy Blu-ray blockbusters on Find 7. The official website of OPPO Find 7 Standard Edition is priced at 3498 yuan, and the cost performance is still acceptable. It can be said that OPPO Find 7 Standard Edition is a high-end 4G mobile phone with full highlights, but then again, this high-end equipment is inevitably suspected of being pushed by some hardware. A product with a high-end positioning still needs to experience as king. I don’t know if OPPO Find 7 Standard Edition really takes into account users, which remains to be investigated for a long time.

Vivo Xshot: 4G smart shot + good sound quality, simple, fashionable and full of fun

Vivo Xshot is known as "4G smart shot" is the first camera phone under vivo. So let’s take a look at the camera skills of vivo Xshot. It uses a camera with a 13 million pixel 6P lens structure, based on Sony’s second-generation back-illuminated sensor, equipped with OIS optical image stabilization technology, and supports F1.8 aperture. In terms of camera function, vivo Xshot has built-in sports, night scene, children, background blurring and other camera modes, especially the fast blind shot function. On a black screen or in any state, you can double-click the shutter to automatically turn on the camera for five consecutive shots.

In other respects, the vivo Xshot is equipped with a 5.2-inch 1080p screen, Qualcomm MSM8974AC Snapdragon 801 quad-core processor, 3GB random access memory and 32GB body storage, supports a maximum of 128GB expansion card, and TD-LTE/LTE FDD dual 4G network. In addition, it is equipped with a new CS4398 chip, and the sound quality is impressive, which is also one of the characteristics of the machine. The vivo Xshot can be described as a smart 4G mobile phone with two versions. It was first sold on Tmall on June 10. The flagship version is 3498 yuan, and the elite version is 2998 yuan.

By introducing the hot smart 4G mobile phones in terms of appearance, configuration, characteristic performance, etc., I believe you have a good idea of who is better. In fact, the above products can be said to have their own strengths and weaknesses, and the basic strength is also comparable. However, careful friends may find that although they are all positioned for 4G flagship mobile phones, only Huawei P7 is the only product that has really worked hard on the 4G experience.

In today’s situation where 4G signal coverage is not comprehensive, the 4G function of the so-called 4G mobile phone must not exist as a function addition or a "flavor enhancer". First of all, it is necessary to ensure a good online experience. And Huawei P7’s original dual antenna design and intelligent network selection technology can ensure the fast and stable connection of the network, and its appearance, photography and other important performance are also worthy of praise. It is worthy of being welcomed by users and sold hot 4G strong machine!

Fighting fish carnival opens in Wuhan. Reporter Yan Xiangtao photo

　　Hubei Daily News (Reporter Zheng Yiming, Qu Xiangtao correspondent Zhang Xi) Shilijiang Beach, three-day carnival. On May 28th, the Betta Carnival kicked off in Jiangtan Park, Hankou, Wuhan. The three-day carnival will include eight highlights, such as amusement, e-sports, games, stars, entertainment, science and technology, food, and secondary elements. More than a thousand anchors, e-sports gods, secondary elements celebrities and stars at home and abroad will appear one after another.

　　Chen Shaojie, founder and CEO of Betta Fish, said that Betta Fish is striving to build a cultural industry cluster and industrial atmosphere in Wuhan that is no less than that in the North, Guangzhou and Shenzhen, promote the development of Wuhan’s Internet culture industry, and strive to make Betta Fish truly a "city card" in Wuhan.

Fighting fish carnival opens in Wuhan. Photo courtesy of correspondent

　　The "live broadcast+theme park" is a pioneer, and it is estimated that the traffic will reach 250,000.

　　The LOL exhibition competition led by "Smile Cave Master" and explained by "Deyun Color" opened the curtain of carnival, and the superb technology and wonderful confrontation between big coffees won applause and cheers from the scene.

　　During the carnival, seven popular e-sports events will be staged, including the CS:GO anchor match, the DOTA2 All-Star Game, the offline viewing platform of the Manila Masters and the the glory of the king Exhibition.

　　The carnival focuses on the mode of "live broadcast+theme park", and the smell of fighting fish can be seen everywhere in the park. Shark matrix with different expressions, jungle image maximum, honeycomb maze, etc. have earned enough attention. The experience areas created by Tencent, Netease, Microsoft XBOX, Blizzard, Unicom Wo Games, Storm and other big manufacturers are bursting with popularity, and the AR/VR experience area and Jaguar Future Auto Show have added cutting-edge scientific and technological elements.

　　In addition, a cross-border matrix of Hollywood movies, entertainment, games, sports and so on, such as Guardians of the Galaxy’s "Dancing Team", Captain America, "Little Emperor LeBron", DOTA2 Fire Girl, Disney, has been assembled, which is called an "epic lineup". In the next two days, the creative teams such as Pirates of the Caribbean 5, Twilight, Assassin’s Creed and The Walking Dead will also hold fan meetings or interactive activities.

　　According to conservative estimates, the three-day carnival is expected to attract 250,000 people. Coupled with the strong blessing of the online platform of Betta, the number of online viewers will easily exceed 10 million.

Fighting fish carnival opens in Wuhan. Photo courtesy of correspondent

　　Practicing "Live Broadcasting+"and Building Internet Cultural Industry Cluster

　　As a leader in the domestic live broadcast industry, Betta took the lead in proposing the strategy of "live broadcast+"in 2016, and was the first live broadcast platform in China to create a "positive energy" section. At present, the content of fighting fish covers government affairs, police affairs, culture, public welfare, life, e-sports, entertainment, sports competition, mass entrepreneurship and innovation.

　　The carnival presents many highlights such as "diversification, internationalization and IP", which is a centralized and three-dimensional display of the strategic achievements of Betta’s pan-entertainment, and also a reflection of Betta’s "live broadcast+"strategy and brand maturity.

　　Betta’s ambition to become a new pole of China’s Internet is revealed. According to reports, DouYu, located in Wuhan Optics Valley, will build the first industrial cluster of live broadcast platform in China, link the real economy with the Internet, and concentrate the upstream and downstream of the live broadcast industrial chain in Wuhan, so as to build a cultural industrial cluster and industrial atmosphere that is no less than that of Guangzhou, Guangzhou and Shenzhen.

　　According to reports, Betta will also set up a venture fund, which is mainly used to support local cultural start-ups.

　　According to a report by Wuhan Evening News on May 29,

　　80,000 people rushed to Hankou River Beach to have a carnival, and 50 million people "watched" online.

　　Betta Carnival became a super "online celebrity" yesterday.

　　It is the largest cultural event in Wuhan in the past 10 years, refreshing many industry records in the national live broadcast industry.

　　This newspaper (reporter Cui Mengxin correspondent Zhang Xi Wang Fa) Hankou River Beach, which is in harmony with the Yangtze River, constitutes a unique landscape center in downtown Wuhan. Yesterday afternoon, it also became "online celebrity".

　　Linjiang has already set up a giant LED screen. On the other side of the screen is Greenland 636, the tallest building under construction in Wuhan. At two o’clock in the afternoon, electronic music with strong rhythm sounded at the scene, and the fighting fish carnival officially kicked off.

　　This three-day carnival will include eight highlights, such as amusement, e-sports, games, stars, entertainment, science and technology, food and secondary elements. More than a thousand anchors, e-sports gods, secondary elements celebrities and stars at home and abroad will appear one after another. It is also the largest cultural event in Wuhan and even the central region in recent ten years.

　　The carnival is specially located in Hankou River Beach, which spans Five Blessingg Square from the Flood Control Monument, covering an overall area of about 250,000 square meters, setting a record for the largest scale and lineup in the national live broadcast industry.

　　"The open venue backed by the Yangtze River is precisely to reflect the enthusiasm, openness and tolerance of Wuhan and Betta." Chen Shaojie, founder and CEO of Betta, said at the opening ceremony. This time, the fighting fish is full of sincerity, and the lineup is greatly "upgraded" compared with the first carnival. The number of online celebrity anchors officially invited has increased from more than 200 to more than 500, and Microsoft, Sony and Marvel Comics have officially participated … The fighting fish carnival has set a new industry standard in terms of scale lineup and content dimension.

　　As of 9: 00 last night, the carnival attracted 80,000 people to participate in the scene on the first day. The peak viewing time of the official live broadcast room exceeded 8 million, and the cumulative online viewing time exceeded 50 million.

　　With the help of live broadcast, thousands of netizens felt the agitation and collision between modern popular internet culture and the central axis of the Yangtze River and the new culture of Wuhan. The "unicorn" fighting fish is writing a warm, open and inclusive footnote for Wuhan with young genes. Wuhan, on the other hand, takes the "Betting Fish Carnival" as the stage to show the world the changes of Wuhan’s economy, the charm of its urban environment and investment environment.

　　Zhang Wenming, co-founder and CEO of Betta Fish, said that Betta Fish intends to hold a "Betta Fish Carnival" in Wuhan every May. After the early development, Betta Fish became a "city card" in Wuhan and spread to the whole country.

　　Online celebrity walks around and plays games to the fullest.

　　On the first day of the fighting fish carnival, the popularity exploded to the limit.

　　Anchors waiting to play, reporter Zhou Di photo

　　The sunny, hot and high temperature in Wuhan can’t stop the enthusiasm of tourists. Yesterday, the fighting fish carnival opened only for more than an hour, and the queue in front of the ticket office was already 100 meters away!

　　Today and tomorrow, the fighting fish carnival will continue to be held in Hankou Jiangtan.

　　The "International Model" Trend Exhibition entered Wuhan for the first time.

　　This fighting fish carnival and the world’s leading trend culture company POP! Life cooperation brings the trend cultural activity FanXperience to Wuhan for the first time.

　　Following this trend exhibition, many international stars will come to Wuhan: actors from the movies Twilight, Pirates of the Caribbean 5, American TV series House and Evil Forces will be parachuted into the scene, and Nana Yamada, a former NMB48 member from Japan, will also come to the fighting fish carnival.

　　"Wuhan element" can be seen everywhere.

　　The fighting fish carnival is full of international style, but the "Wuhan element" can also be seen everywhere.

　　Betta itself is a Wuhan enterprise, and the smell of betta can be seen everywhere in the carnival park, and you can inadvertently see the shark matrix with different expressions. Nanjing, one of the "Four Little Dragons" of Wuhan Internet enterprises, also helped the Betta Carnival.

　　Founded in 2010, Ningmeidu specializes in DIY computers and peripheral products, and has now become the leader of customized computers in China. Ningmeidu provided a top-level game console for the Betta Carnival, and provided a solid backing for the e-sports competition at the carnival.

　　The carnival also has a special "flash food shop". On the food street, you can also see hot Wuhan crayfish, which attracts many foreign tourists to taste.

　　According to betta, hundreds of local enterprises in Wuhan participated in this carnival in various forms. Reporter Cui Mengxin

　　Popular! Limit the flow on the opening day.

　　This year’s Betta Carnival is undoubtedly full of benefits for game fans: there will be several live PK of major e-sports events in the carnival, namely LOL, the glory of the king, DOTA2, CS:GO, Street Fighter 5 and Hearthstone Legend. During the Betta Carnival, the DOTA2 Manila Masters is also in full swing, and the live stage will broadcast the event to let netizens know the progress of the competition at any time. The 2017 China Youth E-sports Competition (CYEC) also joined hands with the Betting Carnival, and today the national finals were held on the spot.

　　Many game fans rushed to the scene: at 3 o’clock yesterday afternoon, there was a 100-meter long queue at the ticket office. Due to the increasing flow of people, in order to ensure safety, less than 4 o’clock, the organizer had to take temporary current limiting measures, and the scene was "only unable to enter".

　　You can meet an anchor in a few steps.

　　"I just sent it to Chen Yi!" At this fighting fish carnival, many popular anchors will arrange a meeting, which also attracted many netizens to rush to the scene to "see real people". According to the introduction of fighting fish, nearly 1,000 online celebrity anchors from all over the country were present this time, many of whom were unofficially invited.

　　This carnival is also a "second element" carnival. At the scene, you can see a COSER (role player) dressed up in a few steps. At present, "Pirates of the Caribbean 5" is being shown, and there are also people playing Captain Jack played by Johnny Depp at the fighting fish carnival, which attracts many spectators to line up for a group photo.

　　A lot of painstaking amusement facilities and games have attracted many tourists to queue up to participate. The "giant doll grabbing machine" is to lift the player through the mechanical arm and hang in the game pool to grab the "treasure box"; Two special effects makeup artists put on realistic "zombie makeup" for tourists in the shed and took photos with them.

　　Wenchuang Cafe is looking for a bosom friend in Wuhan

　　Invited to attend the fighting fish carnival

　　(Reporter Zhang Quanlu) Yesterday afternoon, leaders of world-renowned cultural and creative enterprises such as Penguin TV, Competitive Times and Maker Planet who were invited to attend the second fighting fish carnival held talks with relevant leaders of Wuhan, Jiang ‘an District and Donghu High-tech Zone. Li Shuyong, member of the Standing Committee of the Municipal Party Committee and Minister of Propaganda, said: The story of bosom friend took place in Jiangcheng, and I hope that cultural and creative enterprises can find bosom friends in Wuhan and play a development movement together.

　　As the "competitive era" of the world’s first VR (Virtual Reality) e-sports platform, Li Jinlong, CEO of Penguin TV, told their experience of conquering the world with VR e-sports games at the investment promotion meeting. The relevant person in charge of Donghu High-tech Zone Management Committee immediately invited Li Jinlong to arrange these game events in Wuhan, which will be closely combined with the upcoming 2017 Wuhan International Game Exhibition and China Game Festival on October 1 to achieve a win-win situation. Li Jinlong accepted the invitation with pleasure.

　　Ruchen, the founder of Maker Planet, introduced their latest cultural and creative projects-robot competition and drone fighting. Ruchen said that many of their fans in Wu Hanyou are mature, and they will develop this project in the future and cooperate deeply with Wuhan.

　　Betta will set up a venture fund

　　Create a cultural industry cluster that is not inferior to Beishangguangshen and Shenzhen

　

Yesterday’s Betta Carnival reporter Zhou Di photo

　　This newspaper (reporter Cui Mengxin) learned yesterday that the "unicorn" betta plans to set up a venture fund to support Wuhan cultural start-ups.

　　As a leader in the domestic live broadcast industry, at present, Betta covers government affairs, police affairs, culture, public welfare, life, e-sports, entertainment, sports competition, mass entrepreneurship and innovation. Now, Betta has opened up a formed VR live room.

　　"We intend to build the first industrial cluster of live broadcast platform in China, link the real economy with the Internet, concentrate the upstream and downstream of the live broadcast industry chain in Wuhan, and create a cultural industrial cluster and industrial atmosphere that is no less than that of Beishangguangshen." According to Zhang Wenming, Betta also plans to set up a venture fund, which is mainly used to support local cultural industry start-ups.

　　The first day of the fighting fish carnival

　　The traffic police advised more than 500 cars along the river.

　　(Reporter Yang Wei correspondent Qian Xiaojun) Yesterday, due to the fact that the parking spaces in Hankou Jiangtan could not meet the demand of vehicles coming to participate in the Betta Carnival, there were many illegal parking along the river, especially double-row parking. Jiang ‘an Traffic Brigade managed to stop illegally, advised to leave, patrolled and controlled, and promptly unblocked and treated the traffic jam. In yanjiang road and Jiangtan Park, more than 500 vehicles were advised to leave, and the traffic police suggested parking at the parking spots adjacent to the river.

　　On the afternoon of May 19th, the press conference of 2024 Shanghai International Import Food and Agricultural Products Exhibition (Shanghai Eating Exhibition for short) was successfully held in Kerry Center, Pudong. Zhao Minggang, former deputy director and senior agronomist of Standard Law Center of General Administration of Customs, Ge Liancheng, vice president of China Customs Association (former director of Inspection Department of General Administration of Customs), Zhang Peng, secretary general of China Customs Association, and Yang Jianzhuang, managing director of Gordon Exhibition Group, Gong Xuejuan, project director of Shanghai Gordon Commercial Exhibition Co., Ltd., several embassies and consulates in China (Shanghai), representatives of food industry associations and enterprises at home and abroad, and representatives of mainstream media and industry media attended the press conference.

　　There are two contents in this conference. First, the 2024 Shanghai International Import Food and Agricultural Products Exhibition (Shanghai Eating Exhibition) will be held in Shanghai Hongqiao-National Convention and Exhibition Center from May 11 to 13, 2024. With the aim of "new consumption, sharing global delicacies", the exhibition has a total planned area of 60,000 square meters, covering all kinds of imported food, meat and aquatic products, milk and dairy products, wine and spirits, drinks and bottled water, honey and tea, baking and coffee, sweets and nuts, cereals, oils and condiments, fruits and vegetables and agricultural products. It is estimated that more than 2,000 well-known and outstanding enterprises and industry organizations importing food and agricultural products at home and abroad will participate in the exhibition, and more than 200,000 professional visitors will attend the exhibition in person.

　　The second is to release the International Forum on Agricultural Food Safety Supervision and Customs Clearance on June 4, 2023, which is an important international exchange activity held to cooperate with the new regulations on imported food and agricultural products issued by the China Municipal Government. The activities will specially invite the Food Safety Bureau of the General Administration of Customs, the Department of Animal Husbandry and Plant Management, the Department of Customs Administration, local customs, the Institute of Agricultural Veterinary Drugs, the National Food Safety Assessment Center and other relevant institutions and industry experts of the China Government to conduct authoritative interpretation, training and on-site discussion on the new regulations. Through meetings and exchange activities at the exhibition, industry organizations and enterprises in more countries can learn about domestic and foreign food safety supervision and inspection and quarantine management methods, market access system requirements and processes, risk management and control, product classification and tariff calculation, industry requirements and related market information. In order to better help overseas enterprises understand the new policies and market demands of China, and provide a communication platform and a green channel for international trade and business expansion.

　　During the conference, witnessed by relevant leaders such as the Standard Law Center of the General Administration, China Customs Association and local customs, the organizer of the exhibition, Gordon Commercial and Danish Agricultural Committee, Spanish Pig Industry Alliance and other overseas institutions signed the agreement of intent to participate in the 2024 Shanghai Eating Exhibition, which attracted the attention and attention of many national institutions and enterprises in the overseas agricultural and food products industry.

　　The three-year epidemic situation has complicated the international agricultural trade situation. In the face of challenges, China insists on comprehensively expanding high-level opening up, and strives to create a market-oriented, rule-based and international business environment. The imported food industry is pregnant with new development opportunities. With the entry into force of RCEP agreement and tariff adjustment, imported food enterprises have been effectively facilitated. With the support of the Standard Law Center of the General Administration of Customs, this year’s Eating Exhibition is co-sponsored by China Customs Association and Gordon Exhibition Group, specifically undertaken by Shanghai Gordon Commercial Exhibition Co., Ltd. and co-organized by Shanghai Customs Association. The main purpose of the exhibition is to help more overseas enterprises smoothly enter the China market, provide communication platforms and open up green channels, and strive for a huge market share in China and meet huge consumer demand. In addition, China Customs Media Center, as the media support unit of this year’s Eating Exhibition, will follow up the event release, promotion and introduction, exhibition reports, forum publicity and interviews with people in its own media, so as to better amplify the spillover effect of "Shanghai Eating Exhibition".

　　Beijing, June 15 (Reporter Shangguan Yun) "Has the craze for science fiction literature come?" In fact, I am not so optimistic. " Recently, Chen Qiufan, a science fiction writer, put forward the above views when interviewed by a reporter from Zhongxin.com (WeChat WeChat official account: cns2012).

　　Not long ago, his short story "Fear Machine" was shortlisted for the 10th Global Chinese Science Fiction Xingyun Award, along with works by writers such as Liu Cixin and Liang Qingsan.

　　Love reading science fiction has been rejected.

　　Like science fiction, Chen Qiufan has been interested since he was a child.

　　"I read science fiction when I was in kindergarten, but I can only read simple plots, and some contents are not very understandable." He remembers reading a series of classic works by Verne and Wells, which "felt like entering a particularly magical world".

　　When he was in junior high school, he tried to write some science fiction novels and then contributed them everywhere. At the age of 15, he sent the novel Bait to the competition and won the prize successfully. When the certificate was sent to the school, it was handed over by the class teacher. Chen Qiufan still remembers the students’ surprise at that time.

　　However, his writing career didn’t start there: after winning the prize, another novel was rejected, which made Chen Qiufan feel somewhat depressed. In addition, to prepare for the college entrance examination, in about two years, he pressed the "pause button" of writing.

　　"I tried to pick up my writing after I was admitted to Peking University. At that time, I took the path of pure literature. " But write to write, those articles can’t satisfy Chen Qiufan, "always feel not attractive enough. So I changed it to writing science fiction. "

　　Since then, he has published sci-fi works such as Fish in Lijiang and Year of the Rat, and won the Global Chinese Science Fiction Nebula for nine times. The Ghost Trio has also been included in the sci-fi anthology "Future People Don’t Exist".

　　It is not easy to add "hard science fiction" elements to novels.

　　Talking about his own creation, Chen Qiufan thinks that the more difficult thing is the combination with scientific and technological elements, that is, the "hard science fiction" elements that people often say.

　　"Not as long as ‘ Have a brain hole ’ You will be able to write good science fiction. " Chen Qiufan explained that when writing, science fiction writers also need to know the most advanced science and technology and scientific facts, and the novels will look better.

　　He feels that if there is an opportunity, science fiction writers can communicate with scientists who work in the front line. "Scientists know the most cutting-edge technology, and writers have a big brain hole. If the two are combined, there may be good results."

　　However, sometimes, some misunderstandings will make Chen Qiufan feel a little helpless. He said that some readers will confuse science fiction with popular science works to varying degrees. "The latter should be particularly accurate about all kinds of knowledge and not allow fiction; The former is still full of literary color, and the two are not the same. "

　　"The fields involved in science fiction literature are not narrow, not just aerospace, space and so on." Chen Qiufan said that it also includes anthropology, ethics and other disciplines. "For example, in The Wandering Earth, when people discuss whether it is feasible to put an engine on the earth, they also think about ecological environment protection and human ethics.".

　　Science fiction literature craze has come? may not

　　After writing science fiction for many years, Chen Qiufan has a deep understanding of the "minority" situation of this literary type: the number of writers is relatively small, and the audience is also small.

　　However, with Liu Cixin winning the Hugo Award in 2015 and the sci-fi movie The Wandering Earth showing in early 2019, this situation seems to be slowly changing. Especially after the The Wandering Earth fire, many people think that "science fiction literature fever" has come.

　　"It seems that science fiction has become a slogan, capital, IP… … A lot of people poured in at once. The film has a relatively wide audience, and The Wandering Earth’s popularity has indeed opened up a more popular market. " Chen Qiufan does not deny that people’s attention to science fiction literature has increased, but he thinks this is not enough to be blindly optimistic.

　　He gave a good reason: "The well-known sci-fi writers such as Hao Jingfang and Liu Cixin won the grand prize, and more people don’t know much about writers like me and Han Song;" There are still few publishing channels for young writers’ works in the traditional sense, and it is difficult to get ahead. "

　　"For example, Mo Yan’s teacher won Nobel Prize in Literature, and his novels are very popular, but the sales of other pure literature writers are good? No. " Chen Qiufan said that at present, the situation of science fiction literature is similar, and the publishing market only prefers great writers who can guarantee a certain sales volume, "said ‘ Science fiction literature craze ’ Come, in fact, not necessarily. "

Xinhua News Agency, London, November 1st (Reporter Zhang Wei) Arsenal and Manchester United both lost to opponents from the same Premier League on the 1st, and missed the quarterfinals of the English League Cup.

Arsenal played against West Ham United in London on the same day, and fell behind in the first half because of White’s careless own goal. "Arsenal" coach arteta bluntly said after the game that the ball directly influenced the development direction of the game. Since then, Arsenal, which has an absolute advantage in possession of the ball, has never been able to make a breakthrough. On the contrary, Kaddos added another point five minutes after the West Ham United Easy Side, extending the lead to 2-0. In the 60th minute, Bowen hit a long-range shot outside the penalty area. It wasn’t until the final stoppage time that Arsenal were pulled back by substitute Odegard, and the score was fixed at 1-3.

On November 1st, Arsenal coach Arteta looked depressed after the game. Xinhua News Agency/Reuters

Manchester United, who just suffered a home defeat in the Manchester derby last weekend, continued to sink at Old Trafford. Against Newcastle United, they conceded two goals in a row in the first half. In the 60th minute, Willock got rid of the defense with the ball in the frontcourt and hit the door to help the Magpie achieve a 3-0 victory.

Newcastle, who lost to the "Red Devils" in the Carling Cup final last season, took revenge, and their quarter-final opponent will be Chelsea who beat Blackburn 2-0 on the same day.

In addition, Liverpool beat Bournemouth 2-1 with goals from Gakpo and Nunez, and the quarterfinals will face West Ham United.

Recently, Yan Ning, a famous structural biologist, announced that he would resign from Princeton University and set up the Academy of Medical Sciences in Shenzhen. In response to the latest research that she will focus on when she returns to China, she said that the discovery of structural biology is of great significance to the pharmaceutical industry, including the research on the interaction between drugs and hormones, which has more implications for drug development and disease treatment.

Yan Ning said, for example, that through the method of structural biology, scientists saw for the first time that two commonly used drugs used protein as a "scaffold", which directly "side by side" affected the normal function of protein.

Technological change promotes the development of structural biology.

Protein, as the scaffold and main substance of human tissues and organs, plays an important role in human life activities. In the cell, a large number of protein elements form the molecular machines, which performs important molecular processes in the cell through the interaction of protein, including the cell’s response to the external environment and the internal environment, and also forms a signal transduction network system with the interaction of protein as a link.

Structure By studying the three-dimensional structure, dynamic process and biological function of biological macromolecules, biology can provide more details of protein interaction and real-time dynamic process, thus helping scientists to understand molecular mechanism and explore the pathogenesis of diseases related to macromolecular dysfunction.

The development of biology not only contributes to the discovery of drugs, but also affects the research fields of life sciences including biochemistry, cell biology, genetic development, neurobiology, microbiology and pathopharmacology.

The development of science and technology has been promoting the progress of structural biology. In 2017, the Nobel Prize in Chemistry was awarded to cryoelectron microscopy, which can greatly improve the efficiency of analyzing the atomic resolution three-dimensional structure of large protein complexes; Moreover, researchers can freeze biomolecules in motion and visualize their motion process.

This breakthrough has brought a perfect storm to the field of structural biology. In recent years, important breakthroughs have been made in the field of life sciences. The work of China scientists such as Cheng Yifan, Shi Yigong, Yang Maojun and Liu Zhengfeng has also benefited from this technology. They have analyzed the important complex structure of atomic resolution. In addition, the enzyme that produces the protein that leads to Alzheimer’s syndrome was analyzed by cryomicroscope.

In August, 2015, Shi Yigong’s research team published an article in Nature, reporting the three-dimensional electron microscope structure of human γ -secretase with a resolution of 3.4 angstrom, and studying the function of the pathogenic mutant of γ -secretase based on the structure analysis, which provided an important foundation for understanding the working mechanism of γ -secretase and the pathogenesis of Alzheimer’s disease.

In February, 2020, after the outbreak of COVID-19, the research team of West Lake University successfully analyzed the full-length structure of novel coronavirus receptor ACE2 for the first time by using cryo-electron microscopy, which helped the research and development of drugs in COVID-19.

What does AI predict protein folding change?

With the help of artificial intelligence technology, DeepMind, a subsidiary of Google, recently announced 220 million kinds of protein structures predicted by AlphaFold software, which shocked the field of structural biology, because it indicates that artificial intelligence enterprises have begun to "truly hand over the power of Al to scientists all over the world".

Scientists compare the significance of this disruptive breakthrough with the human genome project. In the 1990s, when the Human Genome Project began to take shape, scientists realized that it was not enough to master the base arrangement of genes, but also to know the protein, the product of genes.

Shi Yigong, academician of China Academy of Sciences, structural biologist and president of West Lake University, commented on AlphaFold’s work: "Its accurate prediction of protein structure is the greatest contribution of artificial intelligence to the scientific field, and it is also one of the most important scientific breakthroughs made by mankind in the 21st century."

Shi Yigong once told China Business News: "AlphaFold represents the world’s leading artificial intelligence protein organization prediction system." At the same time, he said, China’s high-tech enterprises are catching up, expecting to bring surprises to the world in the near future.

He also said that the improvement of the accuracy of protein structure prediction will greatly benefit the pharmaceutical industry. "Artificial intelligence prediction of protein structure provides an important foundation for drug design and optimization. The structure of drug target proteins combined with all small molecule drugs can almost be wiped out by AlphaFold. " Shi Yigong said.

In the opinion of some scientists, although AlphaFold’s work is shocking, the accuracy of drug research and development prediction is not enough. Professor Liu Zhijie, executive director of iHuman Institute, Shanghai University of Science and Technology, told the First Financial Reporter: "It has been a long time to predict the protein structure. Now the accuracy of the prediction is definitely getting higher and higher, but it still hasn’t reached the precision of crystal structure."

Liu Zhijie First Financial News told the reporter that the crystal structure is the most accurate, and now artificial intelligence can predict the protein folding with the accuracy of electron microscope and nuclear magnetic resonance. In addition, because there are thousands of structures in protein, the difficulty of analysis is different. "If some protein sequences are similar to the known structure of artificial intelligence, it is easier to predict." Liu Zhijie said.

However, he still believes that with the continuous improvement of the prediction accuracy of protein folding, it will play a more important role in the field of life sciences in the future. "If the current prediction can reach the accuracy of electron microscope, some drugs can already be designed. Drug design is the biggest application field of artificial intelligence protein folding prediction." Said to Liu Zhijie First Financial Reporter.

Others think that with the development of artificial intelligence, there may not be so many structural biologists in the future. "Many researchers who do structural biology are actually more like technical service personnel. The more people there are, the more structures that can be analyzed. Therefore, in essence, a large part of their work depends on manpower. Now with AI, it is true that a large number of people who do structural biology have changed careers." A virus researcher told the First Financial News reporter.

However, for top structural biologists such as Shi Yigong, technology is only a powerful support for the "top brain", which can help them realize more ideas. "Every conscientious biologist should know how to make good use of the structural prediction of artificial intelligence." Shi Yigong said.

Professor Michael Levitt, winner of the Nobel Prize in Chemistry in 2013, told China Business News: "I think many structural biologists are not only doing structural research, but also doing a lot of work on protein function and drug research and development, just like Professor Yan Ning. Artificial intelligence only liberates a part of traditional manpower, but the progress of science still needs to rely on the smartest human brain. I’m afraid that artificial intelligence alone will not work. "

In recent years, a number of AI pharmaceutical companies have also been born in China. In this regard, Ewing Nan, academician of Chinese Academy of Sciences and president of Beijing Institute of Scientific Intelligence, pointed out to the First Financial Reporter: "The emergence of AI for Science research paradigm is an important historical opportunity for scientific and technological innovation, which not only expands the capability boundary of data-driven and physical model-driven models, but also is expected to promote the organic combination of the two, provide theoretical basis for further solving practical problems, and greatly narrow the distance between scientific research and practical application."