MһMЈI(y)հKչ˽CUˮ̎ˇ121,h{h(hun)PIyF˵h{h(hun)
^(q)ˮ̎CUˮYԴĿF^Ҫ^
^(q)ˮ̎Ct̎l(f)sUˮYԴĿa\кͮaƷcȻc{h(hun)ЈLƄЈЖ|h{S܊aLƽcӴv
PλIһеһվ^
^(q)ˮ̎Ct̎FUˮ̺͉̎VCϸˮzڶվl(f)sUˮYԴĿa\aƷȥ̎|ܿغl(f)F}xMЅ^
PIͨ^CUˮ̎͏UˮYԴĿؿͬF,h{UˮYԴĿ\ȡõijɿa\Iܿعo˸߶urҲm(x)I(y)չ춨ˈԌA
PI
^(q)ˮ̎VCF^

SLƿl(f)sˇBv

PIF鿴cȻcar
ͨӍTƽ