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一年有平均多少天
更新时间: 2021-04-05 20:34:14  

1、一年阳历时365或366天,阴历354或355天。

2、一年是一个历法单位,有春夏秋冬四个节气,春天是年的开始和年的结束。

3、公历的一年是365天,是按地球绕太阳转一周为一年计算的。地球绕太阳转一周的时间是365天5小时多一点。

关键词: 平均 多少

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