???
??
?????????????????????????????
???
??????????
??????
??
???
??????
??? ???
?????????? ??
?
??? ??
???
??? ?? ??? ???
?????
??????????? ?? ??????
?????? ??? ???????? ?? ????????? ?? ??
?????
??? ?? ??? ?????????? ??????????? ?????????????? ?????? ??
????? ???????:??????
??????????????????????
???????5?????:????????
?????????????????????
??????????!??????????40?
??????6.6???????10??
?????????,??????????40??
????????????????????
??????????????????????
?????????12????????
?????????12????????
4?3?22?????????
???:???????????:????????
???????????????????
???????????10????????
?????????????????????
????????????????or??????
????????10?50????????
????????????????????
???????(?)“??”“??”“??”????…
???????????????????
????3???????7.2%
??????????????????
????????????????????
????????????:????????
???????????????????