ӵĻùѾڴɹ(sh)麦ܴl(f)һϵĻ׃ɺɫԴֺͻڲϲña(chn)ɫmƵùɞٴȾԴڜضȱ^Bm(x)r(sh)l(f)
A(y)ӏ(qing)ͨL(fng)ժ~
һΣ紺Ᵽo(h)(ni)ᳫʹ10%ٿ`45%Ѭ`ÿ667225050%پۉmÿ66721000ˡÿһBm(x)ʹ2~3Ρ߀x50%ٿ`ɝԷۄ1000~120050%r(nng)`ɝԷۄ100040%ʩјҸ80065%ù`ɝԷۄ600~80040%ùɝԷۄ60040%˃ɝԷۄ50050%`ۄ150050%亣ɝԷۄ600~80072.2ˮ700800Һÿ7~10ˎһΣBm(x)3