英语词汇“ephemeris time”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ephemeris time
释义	ephemeris time noun : a uniform measure of time defined by the orbital motions of the planets and determined by correcting mean solar time for the irregularities arising from variations in the rate of rotation of the earth
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