(1/2)ҳ
()
()
һԼڴڳţһʱʱȥ͵ķӦƺʼרעʳҲδȥвһ˿ƻóѰĵ⡣
ԴˣᲮ˹Ȼ֪ijĵСҪЩʲôģǣȥҴҲûȥҴˡ
|BB)
óɣóŶ
() o
˵ţݼһ龧ӨIJ֪ʲôɵƤŵĵУȻŹЦš
ûоֻܾǵͷϸϸƷζſˬֱϸˬϸĿڸУҲһ
ȻףӦ
ţȷʵDz
Ϻܺã䶼ǡôۣǼƱų¶Ūġ
ٹгĸ˼Ȼϣίʵѵá
˵ţ̧ͷijĵСŮʦһۡ
ò˵ȻijΪʦºܲףڳʳһͻǺȨģһӲˣȷʵٹĴijЩϸڷͻҪʤһ
ϲͺã
ԣ۾˲ƺǸˡ
ţ˾һ̻ʣһϸʣҲغгȤ
ȻݻʱвˣŸֲȺóԵĵطȻԵùڿû˵ʲôֻǰţżӦһ䡣
ʱʳԹŹֵķΧȻšIJ࣬ڰݵĴԴȺϸ£Ҳ˴롣
Եò࣬ÿһЩûñøгʵӯն˽ĺΡ
ʱƣʵڳԲ·磬ȥʱݺȻһºõġɢ뵭ľ˵ʲôɹľˮùһɾ˴뱭ȻƵǰ
|)
ţ϶ޱȡϡЦݲ˵
㳢
-
ĥ
ɾƵʲôɹõĻǾžŰʮһݼɣپƾȴꡢˣ
/
һ㣬˯øŶ
ͣڸͨϻͺСãݺȹĺܺúȣһľƾϲһ
ϾΪʦẦҲ˵ȷʵº͵̲Ʒ
ҽ̺ʳȵһҲá
ǹϽӹлһڡ
Ȼո죬ɿڣŨ븹ǻһůɢ֫ٺ˶Ϊ̩
úȰɣ
(1/2)ҳ,һҳĶ
ǩĶ