平均寿命的统计要几十年,预期寿命只要统计5-10年就可以了.

来源: 最接近太阳的人于 2024-10-13 09:05:39 [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.