ESA歐洲航空航天局網(wǎng)站
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
www.esa.int/ESA - 2020-04-24 - 收藏
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The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
www.esa.int/ESA - 2020-04-24 - 收藏