%0 Journal Article %T dz̸ҽԺҽÁÆÊշѵÄ×ö·¨ÓëÌå»á %A Áõº£Ñà %A ÕÅÑÞÆ¼ %A ³Â½¨Ïæ %A ¹¨º£¾Õ %J - %D 1995 %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract5992.shtml