2????????9????????????,????“?????”?????????????????????????51??100?????,????,????“??”???
??????????,???????200????????
(??? ???? ?? ? ???? ???)
??:???
??????10???6????4??????
????????23????2???????
?????????????????
?????????????????????
???????????????????????
????????????????or??????
???????????10????????
??:????????????11?45?
?????????????????????
????????????????????
????????????:?????????
??:?????????????????
?????:??&????????????
??2???????0.8%??????
???????????????????
?????????????:????????
?????????????????????
???????????????????
??:???????????????????
??:?????????????????
??????:B?????????????
ISM??????????????
????3???????7.2%
????????????:?????????
????????????:???????