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软着陆
释义
软着陆
Encyclopedia
工学
﹝进入、下降与着陆﹞
释
soft landing
软着陆
通过减速使航天器在接触地球或其他星球表面瞬时的垂直速度降低到最小值(理想情况为零),从而实现安全着陆的技术。
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draft approval
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