(1/2)ҳ
һ˵һ߾ʹӵͼȻܿ죬ҰеĹ滮˵ˣ̧֮ͷΧˡĿǰ뵽ľЩˣ
ˡ˵ĶͬŴҵĿǶңչǴӱ̾˿һ£ôģİһжѹСˣҪС챳ôǵʱûлˡ
ûбѡˣѾɵ˴Դ첻ֵĻ϶ᷢģˣǸûлˣôʱˣǵһ뿪ǸԺǿ϶ܴǸԺ֣涼һЩ˲õˣΨһĻˣңҵ뷨С죬ȻǴԴĸ֣ǺʹԴĸһãҪԵģ˶и飬ܸԴʮ꣬˲ĻҲһôãÿ˶ԼںˣС죬һҪԴһģʣµģɣһһֻܰһжѹˣУ·ߣÿ˵ĶһijʲôܿƵˣһаҸǵ·
⻰һ˵ʱΧٴ˳Ĭصʵֿ۱ϵĿչǡѾݶˣɻҽˣûб·ˣٶȿ㣬ûôῼˣҳ·Сǰ·һֵġ
һ˵һ߳Ųͳ˳ȥңһ壬˶ѾϰĴֱˣܣߵֱӾһֱߵ·ͱ·Ҫ˲屶ʮ·ĻҪߺüɽ·ɽ·죬ΪԭҲһֱרҵɽѵܲٶȶܿ죬ֱ߷ɽԽģǰСʱʱ䣬ֱӷɽͷһֱŵԣdzһɽİɽʱҿĹ·ţתͷϵĵԣǸźŵ㣬ڵͼ治ˣﵽҲǼӵľˣҲܲٶȿ죬ĻҪϲˣǼ˶ŵԣܿ죬ҵĿ⼯ҵϣԥһ¡Ѽһóβù˼ˣɱ֣壬ץãץģǾҲУҪ֤Լİȫ
Ļǻûа취ͺ㽻ġչǴӱüͷ磬⡱
Ͱ˵ˣֻڣУԼİΣһ⣬ֻҪһСǶֻ߲֣һûá
⻰һ˵꣬ҵĶ洫̴ΰԡ
̴ΰô˵ҵ漴ǰ濪ʼҲˣʮӵӣһСɽͷվɽϵʱſɽüѾײһ𣬻гѾȼܴ𣬸պáۡһըҲ漴ΧŨ̹ģʬ壬ѪֱԵĸղѾ˴ģĻƴһԥһ£ԼȴӱϹ̶˵ɽҾͣ߰ȼܴ𣬵ҿɽʱһۡһֱը
Ũ̹ģǺҵ˫ս룬ϻвΧŶʮʬ壬ϸĹ۲ֳ
(1/2)ҳ,һҳĶ
ǩĶ