英语词汇“Julian Day”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	Julian Day
释义	Julian Day Astron. a serial number equal to the number of days elapsed since January 1, 4713 B.C., proposed by Joseph Scaliger in 1582 and used in astronomical calculations: January 1, 1965, at noon, Greenwich Civil Time, was Julian Day 2,438,762.0. Abbr.: J.D.
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