“swing-around trajectory”的概念、定义、翻译、参考文献-科学参考

单词	swing-around trajectory
释义	swing-around trajectory [`swiŋ ǝ¦rau̇nd trǝ`jek·trē] ^{AEROSPACE ENGINEERING} A planetary round-trip trajectory which requires minimal propulsion at the destination planet, but instead uses the planet's gravitational field to effect the bulk of the necessary orbit change to return to earth.
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