%0 Journal Article %T ±ûÎìËáÄÆÖÎÁÆñ²ðï56ÀýÁÙ´²·ÖÎö %A ÃÏÐãÀö %A ÃÏÈÙÓ¢ %J - %D 2001 %K ±ûÎìËáÄÆ %K ñ²ðï %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract13165.shtml