҂Ϻ|l(f)Ӗ(xn)W(xu)УW(xu)TʹҷwӴr(sh)ăɴ}
1. ƽôk
һڶƬAl(f)Ƭr(sh)ȡ^l(f)߀ǺܶX^ÿơǵƬ^l(f)_ʼ׃˕r(sh)Xy
QһƬ_ʼl(f)λƄ(dng)̎Ƭ͵һƬ֮gЂ(g)Ƕȴڵ˕r(sh)עⱻAİl(f)ƬǷֱ֮ҸX߀עˮƽַݰl(f)ƬڵĴֱ^(q)^l(f)λã_Aİl(f)Ƭˮƽ+ֱͬһL΅^(q)t׳F(xin)ֱ^(q)^l(f)`r^l(f)L̲һ
Qע^l(f)횏İl(f)_ʼᣬtҲ(hu)L̲R
Qעcλ¶˱Nסָµr(sh)̫qԥ
2. ߅(du)R
Ƭ_ʼ(hu)l(f)҃߅^l(f)(du)Rr
QһһƬr(sh)һ߅һ߅ĕr(sh)?q)Ѽ߅^l(f)ȡm(dng)AڽҪİl(f)Ƭ_оһ˵Ķc(din)
Q߅߅ע⌦(du)R
Ϻl(f)Ӗ(xn) ϺW(xu)У ϺӖ(xn)W(xu)У |