ϺF(xin)I(y)W(xu)Ժ
W(xu)D^
ϢI(y)g(sh)W(xu)ԺD^
ϲI(y)W(xu)D^
ƼW(xu)D^
I(y)g(sh)W(xu)ԺD^
ϢW(xu)D^
ϢW(xu)D^
RW(xu)Ժ У^(q)
RW(xu)ԺУ^(q)D
Ͼ ^(q)D^