1個族群的性文明進步之程度，取決於2個關鍵點：A環境溫度適宜，B智能。衡量的數據是，人口被有效地繁衍。

來源: 大江川於 2020-12-02 18:03:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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