“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	air sampling air-scape airscoop air-screen cleaner airscrew air-sea exchange air-sea exchange coefficient air-sea fluxes air-sea flux observation buoy air-sea gas transfer velocity air-sea heat flux air-sea interaction air-sea interface airsecond Air security assurance air separation plant control system air separation system air-set air shaft air shaft arrangement form air sharp shrinkage chute airship photography airship sport air shower air sickness

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