F(xin)ڵλã > Ϣ > Ԕ(x)(ni)
Óʹע
1.ÓbrһҪʹf(yng)EMаbʾMMҺλá
עⲻҪӷ{(dio)(ji)ãͨ≺4Һ3.5Ҽ≺Һ0.5
2.Ó^ѰbLc(ni)Rƽ,ǰҪ^2CM̫L^ĥp
3.ÓھSo,жµrr,ɟɼӄĥp
Ia(chn)ƷУÓˮ؇UҺwUˮٟtpw併؇CÓSƷrr