Staff members conduct maintenance operation for China's FAST telescope

Source: Xinhua| 2019-08-29 21:19:17|Editor: Xiaoxia
Video PlayerClose

(SCI-TECH)CHINA-GUIZHOU-FAST TELESCOPE-MAINTENANCE (CN)

Staff members conduct maintenance operation for China's Five-hundred-meter Aperture Spherical radio Telescope (FAST) in southwest China's Guizhou Province, Aug. 28, 2019. China's FAST, the world's largest single-dish radio telescope, will greet the third anniversary of operation that began in September 2016. (Xinhua/Ou Dongqu)

   Prev 1 2 3 4 5 6 7 8 9 Next  

KEY WORDS:
EXPLORE XINHUANET
010020070750000000000000011100001383486991
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
一本色道综合久久加勒比 | 性国产区在线视频 | 亚洲色一色l噜一噜噜噜 | 思思99热思思久久最新精品 | 亚洲性色AV乱码字幕无线观看 | 久久国产午夜视频影院 |