(1/2)ҳ
ͷƤܰףҲû˵ŵ˧һɫȫñڶϣԼһŹǣֱӾͿԡ
ϵdfͱˣҲ˳ֿʼУ˵Ҳûʵͦ˵ģŶһԻ£䵽ݶˣ˻Dz벻ģһֱΪ벻ֱֻŹdzֵʱܻҲˣſʼԣҲ֪˰죬ĸˡ
˭ȥҼˣȥҫʾڻúǮơ
ͳųŶԼֱӿˣͦ˶ǡ
ϵĿҲͦ£æкˣܿ죬Ĺ˶ˣǶߣܻͱdfˣվţ˲ֻʣǼû˵ֻһߣ˳ݸܻͣҲݸˣdfͱǣǶҶûʲôģǵҰ̵ݸ͵ʱ
˳־ƿҵòʵģһ˰ɣһdzĿİɣҿʼʱ֪ǹ˾ĹأѹҺܶǮûأŰǼĹʿˣߣİɡ
ͣʶʱˣ㣬
ɶҫ𣬻Ϊţơ
վһžͰѷи߷ˣһѾͺסҵIJֱӾͰҺģҹӲҪ
ͺܻæ˹ͱϵdf˰ƿ
ңûпǹҫģҫģ˸ڡ
Щľͺţ嵽ҵıϣһȭյҵIJһһ㷴ӦûУЩʹ˳ԼǣѪ
ͷdzĽкϵıǺdfʹק͡
ҲҪҲˡ
ͷĴʹһѾ˦ˣϵˡȥġ
ŭijҺһתҪұߣҪҲʱֱӾץסĸ첲ʹһңִҡקң˵ˣ蹤ʲҪˣ߶ߡ
Ϳŭɽңǰֱ̫̫࣬ˣǵѪرƽͣ侲㣬˵䣬Ҿһ䣬ǹֵܣΪʲôҪ
(1/2)ҳ,һҳĶ
ǩĶ