(1/2)ҳ
ʱ
ɵµȻѹ͵˼㣺ɡ
ɭԸоɵµĺƺ
ͷȥֻıǽ˱ԭء
ɭʵôˣ
ɵ¿ˮǡݵǰѣء
ɭ˳ȥ
֮ǰȴˣ֪۾ʲôǽԺһϹӣֻƾоǰߣ۾ƭˣοǶˡ
Χľɫģ壬ȹеֻҪţΧд̹ǵĽԼȴǽʲôط·һëо
һ˵Ǽеһʯͷ㣬Ѻȥ
һУޱҲˣҲûڵľͬŵϣδ
һ̣ɭҪȥԸDZúܳҵģҪţôͻܴȥƶӶѹء
ɭĻͫβ¶Цݣ˵㵽ֹԡ
ϼҶûûҶǾҶ顣
յѡҲǡ÷˾ת⣬νľתߵı֤·ӣˮȻͬƫ·γͻơ
λ峤϶ǰijϵȻλɽһֱհȴûʥҲԪΨһһλƷʦĴϡ
֮ǰ֪˴½һǿŵģû뵽ǣǸŵȻм䣬ϸĻܿ
ǸңȻ۵ӣõе¶Ȼ½һȡ
ʱͼϣޱߵѪΣҲۿɼٶȣѸٵ͡
һ·Уһ߷У컹һͷԼĸӦɨأһݵҩģֱȥɨһա
һӰ˵ǰֳһɫֽȣɫۣϴЦ⡣ۣɢ
(1/2)ҳ,һҳĶ
ǩĶ