還沒有，不知道數字的有多準。隻知道專業的有標出精度的。

來源: chinomango 於 2013-10-29 15:08:28 [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.