中国的节气是通过观察太阳在日圭下阴影的长度来决定的，自然就与春分秋分冬至夏至重合

来源: 每逢佳节胖三斤于 2026-03-20 08:49:31 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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