ºϿ͑ϺW(wng)χ(gu)Ј(bo)1220Ϣ(ӛ )SEضϲ˳F(xin)F(xin)20r(nng)I(y)r(nng)֡r(nng)İl(f)ϲ˷g(sh)ʩ
r(nng)r(nng)I(y)(zhun)ҽB͜⌦(du)ϲ˵һӰڰl(f)Nx(chng)Nϲ˿ɲȡʩ~ʣĤwȷʩ߹ϲֲ꿹ppppԲ麦ͬr(sh)ڲܻӭL(fng)(yng)W(wng)2ķ֓ppﺮ
ηEĂϲװl(f)IJҪ߲˪ù⧵(x)~߲ݲή߲˪ù⧵x÷ ˪ùҸˎȫꇊFǼ(x)~()xôˮ~懊FݲήȲD(zhun)ʹþסN݆QBm(x)23
r(nng)I(y)r(nng)r(nng)I(y)(zhun)棬Ҫr(sh)ͨNˮ(zhng)̕r(sh)g(ni)ŸɷeˮL(zhng)r(sh)geˮ(do)¹ϲˠ߲ϵm(dng)Խˮλˮ^BM(jn)߲˸ϵL(zhng)ͬr(sh)ľˮ֣ԽкA⣬ϲ~ƬմȾ(yng)r(sh)ˮϴ߹ϲ˵ĹùM(jn)ֲ֏(f)L(zhng)D(zhun)r(sh)(du)M(jn)иͨڸϵ֏(f)L(zhng)