%0 Journal Article
%T ÓÒÉÏÖ«Ö¬·¾½áºËÎóÕïÖ¬·¾Áö1Àý
%A Ö£¾²³¿
%J -
%D 1993
%U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract7055.shtml