如果同样的出生率死亡率，人口占比不会变。

来源: Minor 于 2017-04-02 18:20:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.