ƱһԿ䌍njxڅԿƵͬrØI(y)rgWԿăݡƱһԿӰ푵ĿԇֻҪkƮI(y)CǰύƌWvCɌƌWI(y)õƮI(y)C
ƱһԿЩ(yu)?
WMy(tng)ЌƁfԿԿƵČWMҪ˺ܶࡣ
x(yu)
WvCߣԿԿõĶԿWvڱ^m(x)ԿWvǺߵܵҳJJɵČWvCڌWžWԲԃPϢ
Wrgy(tng)еČƌWȫÓaWÿһ嶼ՌWУŵnMތWԿԿƌWʽʿԣxԿI(y)ԿWjMЌW`ճĹȿԷe۹Wvˮƽ
ƱһԿxͬI(y)߲ͬI(y)l(f)cǞWvˮƽһTI(y)֪RԿWhxͬһԿI(y)@ӿԜpp俼ؓԇĿͬ߀Ո;Ҫl(f)չʿԿ]xͬI(y)նTܣǿԇy^ͬWƃͬr俼ܕӰ푿ԇЧ