剖分好像有約定形成的定義。但是中學生也許不明白，所以應該先解釋。

來源: 亂彈於 2009-04-13 16:00:44 [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.