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	WordReference Random House Unabridged Dictionary of American English © 2024 Jul′ian 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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