楼主: 张燚
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讨论:24节气如何精确确定? |
发表于 2020-3-15 00:30:11
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发表于 2020-6-19 11:55:05
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发表于 2020-6-19 21:22:01
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点评
天皇龙为北极星,对本网懂天文的人而言都知道,这是常识,算不得秘密。
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发表于 2020-6-20 07:33:00
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发表于 2020-6-20 07:51:08
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发表于 2020-6-20 11:49:30
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发表于 2020-6-20 15:38:28
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发表于 2020-6-20 20:14:24
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