一个朝代，如果皇帝早逝，又没儿子，皇家子嗣稀少，就说明要改朝换代了。满清也是这样。

来源: BeagleDog 于 2020-02-09 01:02:18 [旧帖] [给我悄悄话] 本文已被阅读：次

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