IuxC,U늳̎O,̎O,·O,늾|O,ٷxO,ٻO,ϻO
l(f) O
+
r200000 Ԫ
ɫٷxCuxC
ɫٷxCr
ɫٜuxC
ɫٷxCS
ɫٷxC_xCr
uɫٷxC
(yu)uxC
uxCr
uxCS
uxCɫٷxC
uxC
r300000 Ԫ
ٷxOr
ٷxO
ٷxOS