C2 noun #117,660 最常用

(spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field

gravity-assist 30秒了解

  • (noun) (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field

Meanings

  1. 1
    noun (spaceflight) a trajectory that passes close to a planetary body in order to gain energy from its gravitational field
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