我說比如說GPS，不關心到底是什麽原理。用啥原理？你為什麽就是不肯說呢？

來源: 咱跌於 2011-10-03 15:58:49 [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.