l(f)@~҂вİĕrһ݅˿{fl(f)ﲻܳ
l(f)ʲô˼أ
䌍oՓڬF(xin)t(y)WЇy(tng)t(y)W]аl(f)fl(f)Ķxg
ٶȰٶȵĽfl(f)ָڠIB(yng)д̼eTl(f)ijЩfѰl(f)ʳ磺ţu~rзʳ
ǰٶȰٿҲ_f:F(xin)о@һIϛ]д_еĿƌW(j)ԓfֻҪ]^˛]вֻҪһ³Եԓ]І}
۸߲ܳԡl(f)
eһ
ܶຣrwl(f)ҪԭЩ˳^磺ƤwӣƤwW߀С˳˺r߀F(xin)^ݿ˵ĬF(xin)
ںr^ȺwfHһPζҲSĠIB(yng)Դ
^һN͂w|PϵOIJAr^J麣rBá
ij۸ʹl(f)W@ӵr@ʳġl(f)
۸߶ԣ҂]д_еҎ(gu)fʲôʳﲻԳÿ˵w|һֻҪ˲^˛]вǛ]І}
|