1
|zbõ䓎ĽY(ji)(gu)Ҏ(gu)Ո(qng)λVң
磺0.2*20
2
(dng)|zbr(sh)ô˹ʽӋ(j)W=(D0+nt)nt/1k
n.@Ӕ(sh) t.ĺ 1-k.دB@ 1+k.g϶@ .ܶ)
3
D0 -----|ǰ⏽
4
W(xu)(x)