ϺF(xin)I(y)W(xu)Ժ
ͲI(y)W(xu)ԺD^
ɽ|ΌW(xu)ԺD^
RI(y)W(xu)LУ^(q)D
ɽ|ՌW(xu)Ժ
ɽ|W(xu)У^(q)D^
ϺλW(xu)У
ˮˮI(y)g(sh)W(xu)Ժ