时间：2022-12-18 19:17:48来源： Ecns.cn
A Long March-11 rocket carrying Shiyan-21 satellite blasts off from the Xichang Satellite Launch Center in southwest China's Sichuan Province, Dec. 16, 2022. (Photo: China News Service/Ying Longfei)
It will be used for in-orbit verification of new space technologies.
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