您应该用2017-2021的数据：人均寿命、总人口数、死亡人口。用1949的数据说明不了任何问题

来源: 玻璃坊于 2022-12-06 13:21:43 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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