“epicyclic approximation”的概念、定义、翻译、参考文献-科学参考

单词	epicyclic approximation
释义	epicyclic approximation Encyclopedia 理学星系动力学释 epicyclic approximation本轮近似用以描述盘状星系内盘族恒星近圆轨道运动的一种理论近似。 Astronomy epicyclic approximation本轮近似
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