???2???8??? (?????? ??)????????,?????????????????????????????????????????????“????”????,???????????????????????“????”?

????????????????????????????????????????? ?

???????????????8????,???????????7??,?????240.9????19.28%;???259.2??????????8.18%?

????????????,???????,????,????????????

????,?????????????????????????????,??,????????60%????90%?

??????????? ?????????????

?????????????,????????,?????????,?“?????????????????????”????????????????,????????????????????????????????????????????

????????????,?,16??5????,???????????????????,???“??”,???????????????(?????????????????????)

???????:???????????

??

??:???????????,??????????,??????????????