(1/2)ҳ
أѵȰ˵£Լ˵豸˴ҵ֣û뵽Ȼͨˡ
ѧأƾǮԼѧУصİһҹңרⷽ㲿л˰طϷ֣ѾչΪһӪԪĿƼ˾ˡ
ƴһɼȻԺУdzۺĽˡǺУҲƳԼһϵдҵּƻҲʱϸִҵּƻɣӣһЩ̴IJթƭ֡
йزŲŻ֣һȻǽдΣһԼǣͷϸУεĴѧҵּƻҲΪ֮ǰĸΪսĻҾ棬һš
ΪܹԴ˴λҪԣӰ֯ȻһЩ֪ʿҵμӡ
ΪӴѧҵĿгɳijɹȻƲһΪܹȡϯʽ췽ȴ˺ܶ취
ջͨƵĸУƴߣԼһЩ쵼dzɹ˵ƣǰμʽ
ֳִ漴ͱ뵽˹ϢʱѾ˲ټαЩؼˣ漴ҲЦŴк
Сͤ
ȻЦӦԣһЩҲ̸оͰüλҵң֮ǰڸֳֻ㲻϶ôĽ飬ҲdzϤ
ɣ̲̫ΪʱʱĻҪӦЩ̸ϵһˡ쵼ǵĵó氲һЩ
쵼Ŀһ漴ֳԱ²ֳ˴λھǵһУ֮Уֳ˺ܶѧǵijȻЦűִкߵԼλϾ
ƵλȻڵһţ쵼ϣΪ˴ҵҵĴԼѧҵƻȻֳҹעĽ㡣
ʽʼǸ쵼Ȼϲֹ̣صô˺;ͷȻҲһ̬
ֵϳˣֳҵ
ƺЦ̨ӹͲȻߵ̨м䣬̨¾Щ۵ӣЦλ쵼ʦͬѧǣҺãƣ
ֳ漴һҵЦžȴ䣬ż˵ܸܹУ֮Уܴ˵ɢഺϢ
ҷdzϲУҲdzϲѧΪʱӦ
(1/2)ҳ,һҳĶ
ǩĶ