УǰW
ʡ ӵһС K _WώһЩСЦݝMMҡԭώl(f)oͬWҲ˼
һô۵СӰһWУһWУĘsuһrՕĬĬĸVeµӵһСČWe˕ČWУкøWУČWкø¼ٝp@r͞˹WУ˹ʣʹWWl(f)Ȼ˲ʵУĨ˺WУĨ˺rHԼĘǟo߀eˌڵČWУв֮С҂Ҫһȫl(f)չĺÌW@ܞУWWl(f)⡣
ʹhǰWҪwȫl(f)չ
ҪƷºһƷ²ǟoO(sh)һҪԏeOMȡ\O(sh)̎˞阷ˌֱ؟ġڄڹ(ji)ȵ@ӲʹWWl(f)
ǣҪWһҪWL˳ɞص˂ꃺͯĻώfꃺͯδϣF(xin)ȫ潨O(sh)СĿ21o~O(sh)鸻ĬF(xin)@һ΄(w)ѽ(jng)vʷ䵽҂һ21oļҸУ҂ꃺͯĽLQòδǰ;ڼ҂Ҫʂ䣬ӱŬWWl(f)
wҪĽֻwòܽO(sh)ʹWWl(f)
Ҫ`һ˲ҪֻҪ(ni)ֻЃ(ni)Ʒºֻ`ʹWWl(f)⡣
ҪۄڄӡһҪۄڄWWl(f)⡣
һʮֲ۵Сsشx҂һõ^h҂ǰW⡣