??
????(????????????):???????????(2????????14???)?????????,??1??????????????,????,?????
?????????,1?,???M2????318.52??????????????,???????????7%,???????????;1?????,????7.06????????????,?????????5.13???
??????????????????????,?????????????12.7%??????????????11.4%,?????????????????????“???”“???????”?????????,???
1???,?????????3.4%,???0.4??,????????,?,??????? ???:??????
?????????
???????1?????????? ??????????????????????