%0 Journal Article %T ƽ˷¿óÇø°²Ì«±¤2ºÅ¶Ìì¿óµÄ·çÑõ»¯Ãº %A ºØìñÈÊ %J úÌïµØÖÊÓ뿱̽ %D 1990 %K ¶Ìì¿ó %K ·çÑõ»¯Ãº %K ú %U http://mtdz.jourserv.com/front/PaperInfo.aspx?PaperID=1159