Xinjiang Institute of Ecology and Geography of CAS holds Public Science Day event

Source: Xinhua| 2019-05-20 07:37:16|Editor: Liangyu
Video PlayerClose

CHINA-XINJIANG-PUBLIC SCIENCE DAY (CN)

Chen Haiyan, staff member from Xinjiang Institute of Ecology and Geography of Chinese Academy of Science, explains the working principles of isotope function tester to the visiting children during the academy's 15th Public Science Day event in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, May 19, 2019. (Xinhua/Wang Fei)

   Prev 1 2 3 4  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001380726391
国产无码在线观看免费在线,37pao国产成视频,日韩一区二区视频在线,国产国产人免费人成免费视频麻豆
亚洲欧美专区精品久久 | 日本乱码伦电影 | 曰本AV在线电影精品 | 午夜福利久久久久 | 亚洲精品日产精品乱码不卡 | 中文美女乱婬试看视频 |