能否把“庞加莱在100多年前提过”的话 copy 一下，让大家看看。

来源: zhejiangbeijing 于 2010-06-03 18:28:31 [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.