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On March 27th, Shenzhen Bike Power Battery Co., Ltd. released a new generation of all-polar-ear series small power battery products, aiming at the three market segments of smart life, power tools and micro-traffic, so as to solve the shortcomings of smart terminals such as insufficient battery life, insufficient power and slow charging, and help the user experience to upgrade in an all-round way. This new product adopts the same full-lug design as the large cylindrical battery, and explores a new path to improve the high-power performance of lithium batteries.

Bike Power has been focusing on the research and development of cylindrical lithium batteries for more than 20 years, and has successively developed three generations of small power batteries. Different from the first-generation traditional unipolar ear structure and the second-generation bipolar ear structure, BIC’s third-generation small power battery adopts full-ear design, showing six characteristics of high power, low internal resistance, low temperature rise, fast charging, long cycle and high capacity. The maximum charging current is increased to 5C, the maximum discharging current is increased to 25C, and the service temperature is widened to-40℃ ~ 80 C, which solves the pain point of high internal resistance in the traditional structure of cylindrical batteries.

The three new products released by BIC Power accurately solve the pain points of market segments with different characteristics. INR21700-40D was born to meet the most demanding application scenarios of professional-grade electric tools, with higher charge-discharge rate, reaching continuous discharge of 100A and pulse discharge of 140A, which can be fully charged in 12 minutes, with a life span of 600 weeks. Compared with the traditional 4.0Ah power tool lithium battery, the internal resistance is reduced by 80%, the discharge current is increased by 120%, and the cycle life is increased by 140%.

INR21700-45D serves consumer electronics such as intelligent cleaning tools, micro-trip application scenarios such as household electric tools and electric motorcycles, and gives consideration to high-capacity and high-power performance, thus achieving the purpose of prolonging battery life and increasing energy utilization, with a continuous discharge of 70A, an internal resistance of only 3.4mΩ, and full charge in 15 minutes, easily coping with various intelligent life scenarios.

INR21700-50D is prepared for electric motorcycles adapted to special scenes such as beaches, bushes, racing professional tracks, etc. It has a higher capacity of 5.0Ah, can discharge continuously for 60 years, and can discharge with pulses of 100A, meeting the requirements of long battery life and instantaneous high current acceleration of high-speed electric motorcycles. Support ultra-low temperature -40℃ discharge; 3.6mΩ internal resistance to achieve efficient heat dissipation, 15 minutes to charge 80%, accelerate the electrification of micro-traffic field, to achieve smooth and worry-free.

Based on the whole series of three new products, BIC battery will exert its strength in both professional and consumer markets at the same time, constantly broadening the breadth and depth of the deepening industry and bringing a continuous refreshing experience to end users.

Song Huajie, the person in charge of small power product development of BIC battery, said: BIC Power has always maintained a keen insight into market changes, and the technology-enabled lifestyle has made the terminal equipment driven by electricity enter every corner of life. In the future, mobile intelligent terminal devices with stronger computing power and richer functions will be more used in our daily life. As one of the core components, the performance of lithium-ion battery determines the "shape" of intelligent terminal products and the "boundary" of usage scenarios. The release of the new generation of all-polar-ear series small power batteries is not only a strong proof of the technical strength of Bigram batteries, but also our determination to empower more extreme scene needs with technological innovation and add more yards to market applications and terminal experience.

　

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The online auto market learned from Geely officials that the Star Yue L Changfeng Edition will be listed on March 26th, and official website showed that the guide price of the new car is 147,700 yuan, which is 10,500 yuan more expensive than the comfort version of the entry version, adding 31 configurations. According to the sales, Xingyue L Changfeng Edition now offers a discount of 18,000 yuan, and it will be sold after the benefit of 129,700 yuan.

On the basis of comfort, Xingyue L Changfeng Edition adds quiet double-layer sound insulation glass, automatic window closing in rain, electric folding of exterior rearview mirror, IHBC intelligent high beam control, aurora dot matrix penetrating taillights, distance-sensing electric tailgate (anti-pinch), 8 speakers, 72-color stepless color-changing breathing atmosphere lights, 8-way electric adjustment of main driver’s seat, 4-way electric adjustment of lumbar support of main driver’s seat, memory of main driver’s seat, ventilation of main driver’s seat and 6-way electric adjustment of auxiliary driver’s seat.

The new car also adds a 12.3-inch full LCD instrument, a 12.3-inch HD passenger dedicated screen, a 4-tone voice recognition system for the whole car, front/rear integrated double-sided safety air curtains, front pre-tensioned safety belts, rear two-sided safety belts, front/rear safety belts not reminded, ACC S&G full-speed adaptive cruise, AEB urban pre-collision system, AEB-P pedestrian identification and protection system, LDW lane departure warning system and SLIF speed limit sign.

The new car continues to be equipped with a 2.0T turbocharged engine, with a maximum power of 160kW and a maximum torque of 325N·m, matching a 7-speed wet dual-clutch gearbox, and the fuel consumption under WLTC is 7.5L/100km.

　　A 2-hour 8K movie, with a file size of about 90GB, takes about 12 minutes to download with Gigabit broadband, and only 72 seconds to download with 10Gigabit broadband … In the home of a resident in Poly Tianhui, Yangpu District, with the blessing of Shanghai Telecom’s 10Gigabit optical network, it is no longer necessary to wait hard to transmit oversized files, and smaller files can be uploaded and downloaded in an instant.

　　Yesterday, atAt the signing ceremony of the Strategic Cooperation Framework Agreement on Building a "15-minute Community Life Circle" for People’s Urban Digital Life jointly held by Shanghai Company (hereinafter referred to as "Shanghai Telecom") and Yangpu District People’s Government, the world’s first "10 Gigabit Broadband Demonstration Community" based on 50G-PON (passive optical fiber network) was officially released.

　　It is reported that, as the key technology of all-optical 10 Gigabit, 50G-PON has been defined by ITU-T as the standard of next-generation PON after 10G-PON, which has the characteristics of ultra-large bandwidth, low delay and application-level flexible slicing, and is a 10 Gigabit broadband access technology generally recognized by mainstream operators around the world.

　　It is also known that according to the agreement signed by Shanghai Telecom and Yangpu District, in promoting the upgrading of information infrastructure, the two parties will jointly build Yangpu’s "Digital Station" digital science and technology innovation brand, and rely on Shanghai Telecom’s digital public telephone kiosk, combined with Yangpu District’s "15-minute community life circle" plan, access the "one network to run" platform in the digital public telephone kiosk to comprehensively upgrade people’s livelihood application service capabilities.

Special feature of 1905 film network The winter vacation is getting closer and closer, and the "God beast" will be released soon. Are you ready? There are resident animation stars such as Pleasant Goat, Big Big Wolf, Xiong Da and Xiong Er waiting for the Lunar New Year in the cinema, and they also need to be accompanied by animation stars at home, so that the "beasts" can have a happy and fulfilling holiday.

In recent years, animated films based on traditional cultural elements have continued to be hot. It is better to follow our topic "Animation Road, National Style is Busy" and have an open aesthetic education class with my family to reserve spiritual food for my children during the winter vacation.

At that time, a national craze was set off;Win favor with hand-drawn animation;Broaden the boundary of animation theme with alternative painting style;Break the ceiling of animated film box office;Deconstructing the story of deity with grand narrative … …

On the animation road, Guofeng is very busy. When the strong Chinese style keeps blowing into the animation lens, the dazzling chapter of the animation story of China’s national style has just begun … …

Ink age

Chinese-style animated films reflect the regional characteristics of China and are the expression style of China culture. Just a few minutes of animation has both the extension of China elements and the connotation of traditional culture.

From 1941, when China introduced the first Chinese-style animation, to the emergence of a large number of Chinese-style animation, Chinese-style animation films had a large number of excellent works in the early prosperity stage.

Make a scene in heaven

During this period, ink animation occupied a large proportion. Shanghai Animation Film Studio’s classic ink animation, such as Mu Di and Shan Shui Qing, is a famous sign in history of animation, China.

At that time, Japanese animated film director Gao Tianxun also mentioned in an interview that "China’s ink and wash cartoons amazed us. It can be said that our works with more blank space are influenced by it. "

With "Little Tadpole Looking for Mom" winning international awards (special award for short film in the 4th Angxi International Animation Festival in France, honorary award in the 4th Cannes International Film Festival, etc.), ink and wash animation, an animation type full of strong Chinese style, has gained international reputation.

In addition to ink painting, Shanghai Animation Film Studio also created many animation types such as paper-cutting, puppet and origami. Together with ink painting animation, they created a moderns in history of animation, China.

It can be seen that the Chinese style animation at that time was still in the extension stage closely combined with China elements, and the picture style of ink animation "emphasizing artistic conception and neglecting narrative" was also difficult to adapt to the rapidly developing market demand.

In the 1990s, when high-quality ink animation was lacking, many overseas animation brands such as Disney and Ghibli continued to develop, and a large number of foreign animations flooded into China, and domestic animation gradually lost its own language. This period was defined by Qian Jianping, director of the American Film Factory as "the transition period for China animation to start again".

The rise of national wind

Compared with the technical experience and talent accumulation required by live-action movies, the rise of animated movies needs more detailed and long efforts.

In 1999, animated films became the last swan song of China traditional fine arts films. This film exhausted the domestic gold lineup at that time, trying to help domestic animation turn the tide.

However, this well-made work, based on China’s classical mythology, failed to conceal the reality of the decline of the industry at that time. The box office record of "Lotus Lantern" of 20 million RMB actually lasted for ten years.It is precisely because of this that the Return of the Great Sage of Journey to the West released in 2015 rekindled the enthusiasm inside and outside the animation industry in China.

The box office of 956 million RMB, full of national flavor, not only makes the animation industry regroup, but also makes people re-examine the significance of Chinese style to animation.

After success, some business giants began to step into the strategic layout of animated film production.There are those who choose Sino-foreign joint ventures and introduce foreign advanced technology animation teams, such as Chinese enterprises and American DreamWorks Animation.eastDreamWorks launched a co-production in 2016.;

Some people choose to start their own businesses independently. For example, Wei Wang, the founder of Tudou, set up "light-chasing animation" and launched many national animation works since 2014.

Some people choose to integrate resources. For example, Light Film "Striped House" invested in many animation studios scattered all over the country to jointly create the "China Myth Series" animation film universe.

In addition, Internet giants such as Alibaba Pictures and Iqiyi Pictures have also begun to make plans for animated film production. With the change of the general environment, Chinese style animation has also begun to usher in a stage of constantly bringing surprises to the audience.The Big Fish Begonia, released in 2016, won the audience’s favor with hand-painted animation with unique Chinese style and won 560 million yuan at the box office.

In 2017, the "Great Protector" with a fierce style and a different style of painting added a unique color to Guofeng animation.

In 2019, Guofeng animation ushered in an outbreak, and Ne Zha lifted the ceiling of animated film box office to an unprecedented height.

White Snake: The Origin tells a traditional story in a modern way.

Reproduce the unique original thinking of China’s two-dimensional animation.

Most importantly, young animation creators have summed up a truth from the ensuing praise: a good story is the most important criterion to judge whether a national animation is excellent or not.

Like the stars

In 2020, the film market was greatly impacted by the sudden epidemic, and Legend of Deification changed files successively. When the film industry resumed, these two national style animations met the audience again.

Although the two films have different reputations, it is undeniable that Legend of Deification showed the super-high level of China’s animation technology with extremely exquisite painting style.

"Mr Miao" broadens the expression boundary and ideological depth of national style animation with unique painting style. China’s animated films not only show better production quality, but also gradually form a cultural character with oriental characteristics.

In the vast universe to be explored, some "stars" have already revealed their light. The unreleased film list is like a small nebula, which is the next direction of Guofeng animation.One of Legend of Deification’s ending eggsDeep seaWith the mysterious underwater world as the story background, the painting style is soft, but it is a sci-fi suspense type work;

It is a subversive remolding of Nezha’s story to take the time background after three thousand years of trouble in the sea;

Created by the original crew of The Return of the Great Sage to the Journey to the West, the story line is still a brand-new interpretation of the story of the Journey to the West before the sequel;

Also released a poster full of ink and wash style, intended to subvert the fate of the previous series … …

It can be seen that these national style animations strive for breakthroughs in both animation style exploration and technical production level. Fortunately, China animation has found a suitable way, and only needs to complete each creation with peace of mind in the passage of time.Starting from this week, WeChat official account, a movie channel, will recommend a weekly list of films for you in winter vacation. I wish you a happy winter vacation in advance!

Original title: Comments on People’s Arts: If you have an identity, you have to bear the unbearable weight.

As a spy war film mixed with suspense films and action films, The Unknown has a main narrative time of eight years (1937 -1945), with geographical space spanning Shanghai, Guangzhou and Hong Kong, and complicated characters’ identities. Taking the intelligence department of Wang puppet regime as the stage, people from all walks of life fought an invisible dark war for intelligence.

Identity has become the focus of film narration. In this spy war film with a very clear historical era, the director adopts a ring structure different from linear narrative. The opening paragraph and the closing paragraph of the film basically form a closed loop that raises suspense and finally gives the answer, and the first one is connected. This nonlinear narrative creates a chaotic and broken sense of the times in the form of image stream of consciousness — — This is also the mentality of all sentient beings in the narrative age of the story. Like many spy movies, the suspense set by Nobody is "Who is communist party?" Then it unfolds in a nonlinear narrative in a way of peeling onions. After watching the movie, we pieced together the fragments in the film and found that the central event was actually the death of the little duke who was hidden in the Japanese grass-roots team and its influence. And this is still a topic of identity.

Identity becomes an unbearable weight in the film. Director He, Mr. Ye, Miss Chen and other titles, just as the film title says, are just the identities of many hidden front-line workers working under the Wang puppet regime. Director Cheng Er has endowed people with different identities with different designs: Director He plays smooth, gentle and cautious, and carries on with heavy burdens; Mr. Zhang, who plays the role, lacks responsibility because of cowardice and fatigue in the face of great changes in the times, and therefore dies by defecting to the enemy; The dancers played represent the "Wang Jiazhi" who walked out of the mansion and were full of blood; Minister Tang, who plays the role, represents speculators and fence-sitters under the background of the great era. He thinks he is ingenious, but he is too clever … … Even the Japanese spy Watanabe, in the film, has always stressed that he is the Ishihara faction to show the difference with other Japanese troops. After the victory of the Anti-Japanese War, the captured Watanabe may return to Japan as a farmer because of his status. This kind of identity change is intolerable to Mr. Ye — — "I don’t agree with you to take off this military uniform and become an ordinary farmer." To cut Watanabe’s abdomen, on the one hand, is to liquidate his crimes; On the other hand, it is also a rejection of this identity transformation — — Watanabe’s identity as a spy bears too many historical memories of the invasion of China, and he must be blood out. At the same time, for underground workers, the identity is unbearable.It is often reflected in words and actions: When Director He learned that he was exposed at the dinner table, he changed his previous tact and bluntly said that there was no difference between Ishihara School and Tojo School in the eyes of China people; Mr. Ye injured the Japanese when his fiancee was humiliated and suffered from being unable to identify herself.

In Nobody, this kind of identity and its unbearable weight are based on the development of the plot and the characteristics of the actors, excavating the characteristics of the actors, arranging the role identity, and then expressing it in fluent visual language. Tony Leung Chiu Wai expertly continues his cold-hearted personality in Central mr. yi, and at the same time, he has the chic and bitterness of Mu Yun style in the movie. Miss Chen, who plays the role, continues the style of the underground party. At the same time, although there are not many scenes, it is crucial every time to promote narrative development. Mr. Ye’s plot arrangement and people’s design are just consistent with the characteristics of YiBo newcomers, which shows the green stage mixed with gloom and growth, but it is extraordinary.

It is a little regrettable that the deep excavation of the hidden front in Unknown is slightly insufficient. For example, it is not a tradition to directly assassinate enemy politicians. (Author: Li Fei)

Holiday holiday is an important time node for people to spend their leisure time shopping. On October 1st and 2nd, Xu Liyi, member of the Standing Committee of the Provincial Party Committee and secretary of the Municipal Party Committee, and Wang Xinwei, deputy governor and mayor, respectively led a team to investigate the market operation and consumption promotion of holiday cultural tourism, and got a field understanding of market supply and safety supervision.

Xu Liyi visited the comprehensive coordination and dispatching center of the Municipal Bureau of Culture, Tourism and Tourism, Fangte Tourism Resort, Zhenghongcheng Shopping Center, etc. to observe the situation of creating consumption scenes, safety management of scenic spots and amusement facilities, and commercial services to promote consumption, and listen to relevant work reports.

Xu Liyi pointed out that it is necessary to accurately grasp the new development pattern of dual-cycle mutual promotion, take the domestic macro-cycle as the main body, base on expanding domestic demand, and take developing cultural tourism and promoting consumption growth as important tasks. It is necessary to adhere to the globalization and globalization of tourism, consider urban construction, economic development and cultural tourism as a whole, strengthen project planning, product planning, tour organization, publicity and promotion, and do a good job in integrating cultural tourism. It is necessary to adhere to the government’s leadership, accelerate the construction of Shang Dynasty Wangcheng Ruins Park, Erqi Square, Ersha Wenchuang Park, Yellow River Beach Park and other projects, actively promote the healthy development of boutique hotels and quality hotels, gather fists and plan practical things, and create new highlights of urban tourism consumption. It is necessary to study and improve the system and mechanism for the development and operation of scenic spots, further standardize services, and improve the level of safety management and health protection. It is necessary to give full play to the main role of local enterprises in the market, encourage the creation of rich and diverse consumption scenarios, improve consumption quality, and effectively promote the upgrading of urban consumption.

Xu Liyi stressed that it is necessary to pay special attention to the supervision, management and service guarantee of tourist attractions and consumer places in combination with the characteristics of festivals. Continue to strengthen safety supervision, strictly implement management measures, actively use new technologies to strengthen real-time supervision of special equipment, and make emergency preparations to ensure the safety of tourists. It is necessary to do a good job in traffic organization and security around key tourism and consumption places, so that the people can come and enjoy themselves. Departments in charge of tourism, consumption and other industries should strengthen operation and dispatch, be on duty, handle complaints from the masses in a timely manner, respond to their concerns, and constantly improve people’s sense of gain and satisfaction.

Wang Xinwei and his party inspected Zhongyuan Futa Group Auto Show in Economic Development Zone, Vivian Dawson International Textile City Fashion Week in Erqi District, Wanda Shopping Mall in Zhongyuan District, etc., and got a detailed understanding of the consumption promotion plan, market material supply and demand, fire safety emergency and other work. He stressed that it is necessary to seize the opportunity of holiday consumption, take various measures to promote consumption, make efforts to lead the innovation of consumption supply with consumption upgrading, actively promote the deep integration of "online+offline", create a number of new consumption scenes that closely meet the needs of the masses, and create a clean, tidy, orderly and convenient consumption environment for the masses, so as to effectively make the masses want to consume, be willing to consume and be able to consume. We should always tighten the string of safe production, improve the dual prevention system, do a good job in risk classification and emergency plan, increase the investigation of hidden dangers in public places, crowded places and crowded areas, and find out the hidden dangers of epidemic prevention, fire fighting and other risks in time, that is, the investigation will be changed immediately, closed-loop management will be carried out, and the responsibility will be assigned to people, and the occurrence of serious accidents will be resolutely curbed. We should make every effort to ensure the smooth operation of the market, take a highly responsible attitude towards the people, do a good job of "rice bags" and "vegetable baskets" to ensure stable supply and prices, and make efforts to keep the source, production, circulation, quality and consumption at ease through multi-channel organization of supply, deployment of government reserve materials and increased food safety supervision.

Niu Weiguo, Wan Zhengfeng, Sun Xiaohong and Wu Fumin participated in the survey.

Source: China News Network

On the 8th, a topic entry named # Match-fixing in the Final of Guangdong National Games # occupied a high position in Weibo’s hot search for a long time. As of press time, the reading volume of this topic exceeded 140 million, and nearly 9,000 people participated in the discussion.

From the perspective of competitive sports, this game is not a high-level event. If there are no special circumstances, it will not attract so much public attention to a great extent.

However, looking at the comment area, everyone has a hot discussion.

“It’s the darkest hour of football in China, except for the 15-year-old boys.This is a sentence left by a netizen in the topic discussion area.

In the eyes of professional football media, there are also problems in this game. “After watching the replay of the game, there is indeed a suspicion of match-fixing, which supports a thorough investigation."

Everyone’s response is filled with the most emotions, which are helplessness and anger. In other words, today, football in China is still at a low ebb, and this game has poked a lot of people who care about football in China.

Let’s get to know the situation of this game first.

The match was held on August 7th, 2022. It was the men’s B Group A final of the 16th Guangdong Sports Games, and was played between Qingyuan team and Guangzhou team. There was no abnormal situation after the start of the game. In the second half, Qingyuan team took the lead 3-1.

But since then, the Qingyuan team seems to be like a "power outage." Goalkeepers and defenders pass the ball at will in the backcourt and are directly intercepted by opponents; When the Guangzhou team launched the attack, the Qingyuan team defender did not seem to stop the football from entering the goal; According to the camera, several Qingyuan team players started the "walking" mode on the court …

In the end, Guangzhou defeated Qingyuan 5-3 to win the championship.

After the video of this game exploded on social media, Dong Lu, a well-known football media person, used "weird 13 minutes" to describe what happened on the field.

While the outside world is discussing the game,The Chinese Football Association officially announced the launch of an investigation into the game.. The announcement said that in this competition, the performance of athletes from both sides on the field was widely questioned by public opinion, which aroused the concern of all sectors of society. China Football Association attaches great importance to this and starts the investigation procedure, and will form an investigation team with the participation of the Competition Department, the Discipline Inspection Department and other departments, and will go to Guangzhou for investigation on August 8.

It is not what China football wants to cause a heated discussion in such a way.

This year’s poor World Cup preliminaries once again put the national football team into an "infinite loop", and many fans didn’t know how to face the China football that had been in the trough for a while.

In fact, there has been a lot of news about football in China recently.

The Chinese Super League officially resumed the home and away game system. For professional teams and clubs, the home game was opened for a long time, and when familiar spectators entered the stadium again, it brought more positive signals to the team’s operation.

In the East Asia Cup competition that ended at the end of July, the China Men’s Football Team with "U23 National Team" as the main team won the third place.

Although only four teams participated in the East Asia Cup, this ranking did not satisfy the Chinese people. However, the original intention of sending young players out to increase the experience of the competition and taking this opportunity to upgrade is no problem. In the second round, the national football selection team drew with Japan. The game data still shows that there is a big strength gap between the two sides, but with courage and perseverance, the young players can gain confidence and bring some comfort to the depressed football in China.

When facing the pressure and challenges, face the difficulties and use your own efforts to resist the difficulties. Even if you fail to win the game, you will gain confidence. This may be a more realistic idea, and it is also the most needed for today’s China football.

At present, the official has been involved in the investigation of this controversial competition, but the final result has not yet been released. As for whether it is the "fake ball" mentioned by everyone, we still don’t argue.

A few days ago, the first China Youth Football League started. Wang Dengfeng, deputy director of the China Youth Football League Office and director of the Department of Sports, Health and Arts of the Ministry of Education, said, "Whether more and more children can play football is a key issue facing China football at this stage."

As the future of football in China, youth football plays an important role. Please keep it simple and away from the distractions. Only in this way can we help the development of football in China.

　　Many people don’t know that the French fries eaten in KFC and McDonald’s all come from potato varieties bred 120 years ago. As the staple food of 1.3 billion people in the world, potato breeding process is slow, and new breeding methods are urgently needed to reform potato breeding. Therefore, the scientists of China Academy of Agricultural Sciences put forward the "Excellent Potato Plan", the purpose of which is to make people in China and even the whole world eat potatoes with higher yield and better quality.

　　At 23: 00 Beijing time on May 4th, 2023, the international authoritative journal Cell published the latest research result of Huang Sanwen’s team of Shenzhen Institute of Agricultural Genomics, Chinese Academy of Agricultural Sciences: "Phylogenetic Discovery of Deleterious Mutations Facilities Hybrid Potato Breeding".

　　This research has invented a new "evolutionary lens" technology, which gives breeders a pair of "golden eyes", can find the genome "reef" (which scientists call "harmful mutation") that hinders potato breeding as early as possible, avoid breeding "going the wrong way", and let everyone eat better quality and high yield potatoes faster.

　　"We drew the first two-dimensional map of harmful mutations in potato genome, and developed a new model of whole genome prediction by using the map information, which can predict the yield in seedling stage, with an accuracy of 25%-45% higher than before. In this way, materials with low yield can be eliminated at an early stage, thus quickly cultivating high-yield varieties, and the breeding efficiency of hybrid potatoes will be improved by more than 50%. " Huang Sanwen said in an interview with The Paper (www.thepaper.cn).

　　"excellent potato plan"

　　Potato is the most important tuber food crop, the main food source of 1.3 billion people and the fourth staple food crop in China. Potato has the advantages of high yield, less water consumption and wide planting area. However, because the traditional cultivated potato is autotetraploid and its genome is complex, the breeding process is very slow. In addition, the asexual propagation of potato chips also faces some problems, such as low propagation coefficient, high storage and transportation cost, and easy to carry pests and diseases.

　　How to transform tetraploid potato propagated by tuber into diploid hybrid potato propagated by seed is a worldwide problem in potato industry, and it is also the "crown jewel" of seed industry innovation.

　　In order to solve the above problems, Huang Sanwen’s team launched the "Excellent Potato Plan" in conjunction with domestic and foreign superior units, aiming at replacing tetraploid with diploid potato, replacing potato block with seed propagation, guiding potato breeding with genomics and synthetic biology, and completely changing the breeding and reproduction methods of potatoes.

　　Yang Zhenhai, Party Secretary of China Academy of Agricultural Sciences, said that in recent years, the "Excellent Potato Program" team has successively solved major problems such as potato genome analysis, self-incompatibility and self-decline, and cultivated the first generation of inbred lines and hybrids. The related achievements have been published in top international academic journals, and now the latest achievement of "Identification of harmful mutations by evolutionary genomics" has been published in Cell magazine, which can provide a new scientific basis for potato breeding parent selection and variety improvement. These original basic scientific research achievements have been highly recognized by colleagues at home and abroad, and laid a solid foundation for accelerating the breeding of diploid hybrid potatoes.

　　Potato breeding enters the fast lane

　　In this study, Huang Sanwen’s team collected a large number of Solanaceae species resources in conjunction with outstanding units at home and abroad, and traced the evolutionary traces of the longest 80 million years and accumulated 1.2 billion years through comparative analysis of 100 Solanaceae genomes. On this basis, an "evolutionary lens" was developed to discover the evolutionary constraints and harmful mutations of potatoes, and the first two-dimensional map of harmful mutations of potatoes was drawn.

　　Using the map information, the researchers put forward a counterintuitive inbred line cultivation method and developed a new model for whole genome prediction, which made the potato yield prediction reach unprecedented accuracy. In addition, the model can accurately estimate the breeding value according to genotype and harmful mutation information, better help breeding experts to make early breeding decisions, further reduce breeding costs, shorten potato breeding cycle and quickly cultivate high-yield and high-quality potato varieties.

　　This research made China stand in the leading position in the world in the basic theory and technology of potato breeding, and was funded by the Ministry of Science and Technology, the National Natural Science Foundation of China and China Academy of Agricultural Sciences.

　　So, what are the implications of this research for other crop breeding? In this regard, Li Jiayang, an academician of China Academy of Sciences (director of Yazhouwan Laboratory and researcher of Institute of Genetics and Developmental Biology, Chinese Academy of Sciences) said, "The research result of Huang Sanwen’s team will not only be for potatoes, but also for grain, oil, fruits, vegetables and tea."

　　Zhong Kang, an academician of China Academy of Sciences (researcher of Institute of Botany, Chinese Academy of Sciences) commented: "This research by Huang Sanwen’s team is a milestone achievement in potato breeding, which indicates that crop breeding has entered a new era, that is, breeders can’t just pay attention to their own ‘ Three points per acre ’ It is even more necessary to think about the new strategy of breeding from a larger evolutionary dimension. "

　　"The research finally found the genetic basis of counterintuitive screening, developed a new genome-wide prediction model and applied it to the early decision-making of hybrid potato breeding, marking that China’s potato breeding has definitely reached the international frontier." Professor Lai Jinsheng of China Agricultural University (Director of National Maize Improvement Center) said.