I(yng)zܛBܛܡa(b)Ȯa(chn)Ʒ
ȫ(gu)(w)ᾀ
(y) һ(y) һ(y) β(y) (y)Σ2/2(y) 16lӛ D(zhun)(y)
W(wng)վ(y) ˾(jin)a(chn)Ʒչʾ̰(lin)ϵʽ