%0 Journal Article %T Ƥ·ô½áºË16ÀýÁÙ´²·ÖÎö %A Éò¸£Ë® %A ÅËæ¯¶ð %J Öйú·ÀðìÔÓÖ¾ %D 2005 %U http://www.zgflzz.cn/CN/abstract/abstract12834.shtml