“gravitational encounter”的概念、定义、翻译、参考文献-科学参考

单词	gravitational encounter
释义	gravitational encounter [´grav·ǝ`tā·shǝn·ǝl in`kau̇nt·ǝr] ^ASTRONOMY An approach of two massive bodies in which the directions of motion of both bodies are altered by their mutual gravitational attraction.
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