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一年有多少天怎么确定

更新时间: 2020-11-04 00:00:00     

一年有多少天需要用闰年和平年来确定,闰年有366天,平年有365天。

年是一年的收成、年纪、年节、年代、每年的等义,又是时间单位,指地球环绕太阳公转一次所需的约365又1/4太阳日的周期。

关键词: 多少 怎么 确定

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