A Long March-4C rocket carrying the third group of China's Yaogan-31 remote sensing satellites blasts off from the Jiuquan Satellite Launch Center in northwest China, Feb. 24, 2021. (Photo by Wang Jiangbo/Xinhua)
China launches new satellites to survey electromagnetic environment
Source: Xinhua| 2021-02-24 11:02:47|Editor: huaxia
