%0 Journal Article %T Ë«×ã¶Ô³ÆõÅ¹ÇÆ£À͹ÇÕÛ1Àý %A ²Ì¶¼·Å %J - %D 1998 %K Æ£À͹ÇÕÛ %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract8515.shtml