I(y)g(sh)W(xu)Ժ
҆λF(xin)Ӽ{Ժ W(xu) ˵λ(x)rg ֹ
W(xu)(x)Cʽ
شC
λ/˴(w)
λ(lin)ϵԒ
λͨŵַ
(x)W(xu)(lin)ϵԒ
(x)C(2)
Ɲ_________W(xu)У_________I(y)_________ͬW(xu)_____________________________________________ __________________(x)
ԓͬW(xu)Č(x)λ_________
ԓW(xu)(x)gJ,ڹĵط,܉̓н(jng)ǰ݅Ո,˼,܉eһ.ڄeĹh,̓ ȡ.ڕrgoȵr,ӕrӰ΄(w).܉?q)ڌW(xu)УW(xu)֪R`(yng)õwĹȥ,|(zh)ɹ΄(w).ͬr,ԓW(xu)ҹ˾ĸҎ(gu)ƶ.(x)rg,Č(x),Ɍ(x)΄(w).(x)λˆT.c˾ͬº̎,cһͬĆTԓW(xu)ıF(xin)Կ϶.
شC.
_________((x)λw)
___________________________