ϺFI(y)WԺ
WD^
ϢI(y)gWԺD^
ϲI(y)WD^
ƼWD^
I(y)gWԺD^
ϢWD^
ϢWD^
RWԺ У^(q)
RWԺУ^(q)D
Ͼ ^(q)D^