һ pd
m(x)ԓx
ǴU(xin)˾r(ji)һ܇(ch)p8080030WӋ(j)r(qing)U(xin)܇(ch) ȥδU(xin)Ӌ(j)3409.һ4Sm(x)400B(yng)ȯ Ԕ(x)>>
ڶ걣M(fi)m(x)ԓȡᣡ
}ڶ걣M(fi)m(x)ԓȡ(x)Ո(qng)M(jn)(li) Ԕ(x)>>
J܇(ch)vU(xin)m(x)
} Ԕ(x)>>
V|Փ V܇(ch)չ Փ Փ
֮ܲ鿴܇(ch)(zhun)ҵĺ܇(ch)тĻ؏(f)Ŷ