(1/2)ҳ
оػһܹƽȵĽ֮ܵϣȻеͣƺϡ
ͣƺѾͣС
ͦȣŴȴӲ˳ŵǴӾǻõſ
Ӧ˵ſΪоˣ֮ԸҪҪһġû취ξ̫֮ķˡ
ſ˴ǰջʵûдﵽǵԤڣԭ뺽첿ŴغЭ飬нӿռվطԱͻȴûԸ.
ȻȡҲֻǽǵ˷ɴػ뵽֮УûдɾĺͬЭ顣
Ҳ˵δУ첿ſܻѡǵ˷ɴػʲôʱͲˣԷûкǩصľͬ
ⷽҲ绰ѯ쵼쵼ҲԼ쵼һЩǻ˵ǡ˵Ǹĵۿ˵ѾԶԶǵĵɱԤˣѡҹǣôԭĻͷɴϵͳô죬Ͷôܾܲô˰ɡ
쵼ǿǣδܻ·Ҳ˵һЩģȫǣǻķɴͻϵͳΪ⣬ֻǸͲ䡣
칬ռվԼҵӪĿ첿쵼˷dzȤǵؼƻ˷dzϸ˽⣬ٿ˺üר֤飬ⷽĿоնĿ˿϶
ûֱӶشĿҪбͨʾУĵȴӦòһһЩӾҪ֮֡һʱ϶ö
ȻΣҲû취ߴٲˣֻĵȴˡ
Ҳþ֮еſƣ춼ôһЩ״̬֪ҪҪתתЩ⣬Ҳͷͬˣרĺܣ¡
ܣܻӭоġоصĸƺſЦ˵
룬þòЦź֣Ȼһеĺѵ
ǰϴλˡЦӦ
ˡοһ䣬Ȼֵߣϳ˵̨ˡ
(1/2)ҳ,һҳĶ
ǩĶ