Sunday, November 29, 2020

嫦娥五号为什么要踩两次刹车

因为太重!嫦娥五号要踩两次刹车
11月28日晚,嫦娥五号成功进行首次近月制动,进入一个大椭圆轨道。后续还需进行一次近月制动,嫦娥五号 https://ift.tt/36k7eII

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Satellite Systems & 5G Technology Market Size 2023 Booming Worldwide by 2031 - Benzinga

Satellite Systems & 5G Technology Market Size 2023 Booming Worldwide by 2031 https://bit.ly/469mDrn