Beijing June 28 (Xinhua) - The following are the highlights of major technology news from China since last week:

intelligence Congress

No rooms actual exposures, the fourth World Congress of intelligence, an important event of artificial intelligence that took place in north China Tianjin municipality, rode the wave technology to draw 392 million views online at their annual meeting

. to prevent the spread of COVID-19, organizers adopted virtual solutions based on advanced cloud China for online viewers to participate in or watch a series of business activities and competitions such as the challenge of global intelligence driving, which attracted 145 teams from countries like the United States, Japan and Germany

. BATTERY -generation NEXT LAB" target="_BLANK">Contemporary Amperex Technology Co. Limited, l argest Chinese battery maker lithium ion broke ground on a new laboratory to develop batteries new generation. Is being built at its headquarters in the city of Ningde, Fujian Province, east China

. The "21C Lab", with an area of ​​18 hectares, will focus on. the development of systems of electrochemical energy storage next generation and new energy conversion systems

RAILWAY sound absorption TUNNEL

a 847 meter long tunnel high-speed line linking Beijing and the new Xiong'an area in" target="_BLANK">Hebei province, north China that absorbs sound, is completed. This will help prevent noise emanating from trains and tracks, engineers with" target="_BLANK">" target="_BLANK">China Railway Group Limited said

. With increasing additions of transport centers and railway lines across the country, train noise mitigation is of concern for people, and the newly built tunnel looks like one of the best solutions. According to its developers, the tunnel is equivalent to a sound barrier, and can reduce to the minimum the noise generated by the bullet trains traveling at speeds of 350 kph


A team of international researchers have developed a non-invasive bioprinting 3D system that can print an ear within the body of a mouse

in the new study, researchers at the University of Sichuan in China, the University of Ghent in Belgium and the University of California at San Diego, in the US used infrared light close to polymerize bio-ink inside the body without invasive incisions

the researchers said the last bioprinting non-invasive 3D system has the potential to be used in organ reconstruction or tissue repair, such as microtia in which the ear cartilage is underdeveloped or absent. End

Beijing  Hangzhou  Sichuan  Tianjin 

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Tianjin, the neighbor of the Beijing port city, reported 28 cases of Covid-19 infection from Sunday until 6 pm on Monday, authorities said Monday nig

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