能否把“龐加萊在100多年前提過”的話 copy 一下，讓大家看看。

來源: zhejiangbeijing 於 2010-06-03 18:28:31 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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