(1/2)ҳ
˯һ˲䣬Ȼоһӿճࡣ⽫ƣûдˡ룬ҹ˯ֲ˯Ӳһᡣ
˭˭ǵĸ״ſ־ţܷdzƵġѵԼĻ
һսѾԶξܣɽʤ飬ֻϧûץƣúƴһױˡ
ӣֻòͣػһ˳㣬ҲеǣգһӰѰקȻӣܳȥ
ʱˣűɽľһҧһϵгһѶ̵ֱӳɽ˹ȥ
ԵdzdzԵذЦͬި÷ʮ꣬ΪިϲԴԼ䱦ѵިֻʮԵ֣
ǰȥٹ밲̫ﻹ촽ôģϵʱô˵ţ˵ʲôȹӵʱ̫ˣһľҧԼ촽
ʩҲǿȻ֪ôģʩҲ˸о¿һŴ㳯˹
Ƶĵҩҩ¯ֻһ˿ನƮɢ
ЩƣijλǺȻع˵ӵijƼ˾ٹȨýǺ챨ǮͶʵˣ˿Ҳ羪̾һ
䣡£Źȵ³ڶȥںϵ³ȴԣ³ϣֱûУDZһա
һλɼ丸ǻĴ˾ũרŸũҵ֮£ǡ
ܹȡýijɼҸɵIJ˫нĶţ˵
˵ͷάһ̳־ŷԭκѹƣ֣׳־ѳѳ
ʶŴ죬ƺҪ˵ЩʲôȴƫƫʲôҲ˵һʱ侹ȻЩʡ
ȵһһվɱشˣһ˱żһ˱ű˹λһλһźӵˣǰһϵε˫ŵ٣һλţǰһӹġ
(1/2)ҳ,һҳĶ
ǩĶ