China science, technology news summary -- July 12

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BEIJING, July 12 (Xinhua) -- The following is a summary of published science and technology news of China.


China on Monday delivered about 17 grams of lunar samples brought back by the Chang'e-5 probe to 13 institutions, which had applied for research programs to the Lunar Exploration and Space Program Center of the China National Space Administration.

Speaking at a ceremony to mark the delivery, Liu Jizhong, the director of the center, said that this is the first batch of lunar samples delivered to research institutions. More samples will be released and delivered in the future as planned.


China's Mars rover Zhurong has traveled more than 400 meters on the surface of the red planet, according to the Lunar Exploration and Space Program Center of the China National Space Administration on Monday.

The orbiter of Tianwen-1 mission has worked normally in orbit for 353 days as of 8:00 p.m. Sunday (Beijing Time). The distance between Earth and Mars is 370.7 million km.


China has manufactured a super-sized earth pressure balance shield machine, which is ready to be put into operation, according to China Railway Construction Corporation.

The shield machine, named "Jinxiu," rolled off the production line on Saturday. Boasting a tunneling diameter of 12.79 meters, it is the largest of its kind developed by China with complete proprietary intellectual property rights, said the company. Enditem

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