精品视频一区二区三区四区,97国产色,国产深夜视频,午夜男人网站,成人99视频,成人1区2区3区,91精品国产成人观看

Xinhua Headlines: China honors distinguished scientists

Source: Xinhua| 2019-01-08 23:44:49|Editor: Lu Hui
Video PlayerClose

Xinhua Headlines: China honors distinguished scientists

Liu Yongtan (R, front) and Qian Qihu (L, front) attend an annual ceremony to honor distinguished scientists, engineers and research in Beijing, capital of China, Jan. 8, 2019. (Xinhua/Ding Lin)

   Prev 1 2 3 4 5 6 7 Next  

KEY WORDS: science
EXPLORE XINHUANET
010020070750000000000000011102351377292161