“ephemeris time”的概念、定义、翻译、参考文献-科学参考

单词	ephemeris time
释义	ephemeris time Encyclopedia 理学﹝时间计量系统﹞释 ephemeris time历书时以地球公转运动为基础，理论上均匀的时间尺度，简称ET。 Astronomy ephemeris time缩写：ET。历书时
随便看	Film Tography film to tape transfer film track population Film Training Institution of Northwest China Film Troupe of Yan'an film & TV art film & TV dialogue film & TV drama plot film & TV interlude song film & TV language film & TV monologue film & TV music art film & TV music composer film & TV music conductor film & TV music history film & TV narration film & TV planning film & TV sound film & TV sound elements film & TV sound recordist film & TV theme song film & TV vocalist film & TV writers film velocity Film Victoria （Australia）

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