学术上有争议，正常。不过他们确实想要表明他们研究结果的取向。

来源: 科普闲谈于 2018-01-01 06:31:39 [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.

Change Ad Consent