Դ܇a(b)N(bio)(zhn)
1.늄(dng)܇܇a(b)N~=Min{a(b)N(bio)(zhn)܇v500 Ԫ}늳ϵy(tng)ܶ{(dio)ϵ(sh)܇vܺ{(dio)ϵ(sh)
2.(du)ڷ˽ُ(gu)IڠI(yng)\(yn)Դ܇(yng)a(b)N~ 0.7 oa(b)N
3.a(b)Nǰۃr(ji)(yng) 30 fԪ£ԙC(j)(dng)܇N۽y(tng)һl(f)ƱI(y)ٷָ(do)r(ji)Ȟ酢(j)Qģʽ⣩
Դ܇a(b)N(bio)(zhn)
Դ؛܇a(b)N(bio)(zhn)