文件名称:jd
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“儒略日(Julian Day)”与“儒略历(Julian Calendar/Julian Date)”不同。 儒略历
是 Julius Caesar在45 BC发明的。一年有12个月，大月31日，小月30日，平年2月
有28，日闰年2月则有29日，平均每年有365.25日。-"Julian Day (Julian Day)" and "Julian calendar (Julian Calendar/Julian Date)" different. Julian calendar is Julius Caesar in 45 BC invented. 12 months a year, big 31, Xiaoyue 30, an average year in February there were 28, on a leap year in February there were 29, which means an average of 365.25 days.
是 Julius Caesar在45 BC发明的。一年有12个月，大月31日，小月30日，平年2月
有28，日闰年2月则有29日，平均每年有365.25日。-"Julian Day (Julian Day)" and "Julian calendar (Julian Calendar/Julian Date)" different. Julian calendar is Julius Caesar in 45 BC invented. 12 months a year, big 31, Xiaoyue 30, an average year in February there were 28, on a leap year in February there were 29, which means an average of 365.25 days.
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儒略日(JD)的计算.txt