%0 Journal Article %T ¼¹Öù²à͹ %A ÎâÊ÷»Ô %A ËÎÔ¾Ã÷ %A Ñî´«îì %J - %D 2003 %K Ìêµ¶±³ %K ÐØÀª³ÉÐÎ %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract9784.shtml