現在中國科技排行第二，僅次於美國。

來源: xwu622 於 2014-05-09 08:47:56 [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.