“ephemeris astronomy”的概念、定义、翻译、参考文献-科学参考

单词	ephemeris astronomy
释义	ephemeris astronomy Encyclopedia 理学历书天文学释 ephemeris astronomy历书天文学天体力学的一个分支学科。主要学科任务是建立天体运动理论和开展天文历书服务。
随便看	permutation involution permutation matrix permutation of arguments permutation of a set permutation of codes permutation of columns permutation of elements permutation of indices permutation of numbers permutation of planar on shell diagram permutation of planar on-shell diagram permutation of planar onshell diagram permutation of rows permutation of variables permutation operator permutation pattern permutation pseudo-tensor permutation rank permutation relation permutation relationship permutation representation permutation representation of a group permutation rise permutation run permutation sequence

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