无理图，几个世纪以前就有了

来源: ghost_in_shell 于 2011-10-13 12:12:58 [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.