%0 Journal Article %T ÐòÑÔ %A ³Âع´¨ %J µØÇòѧ±¨ %D 2010 %R 10.3975/cagsb.2010.05.01 %U http://www.cagsbulletin.com/dqxbcn/ch/reader/view_abstract.aspx?file_no=20100501&flag=1