I߷ԄˎC͙CÓˮCëV,ˮx
l(f) O(sh)
+
r8000 Ԫ
渡ͻՙC
r Ԫ
I(y)xxھ
xI(y)xھ
ھyxI(y)x
r100000 Ԫ
ˮx
͏Nˮx
Nˮx
ˮxC͙Cʽ͙C