????:1???????:???????

2??????

3???????

4??????????

5????????????

????????(?):??(2????????14????)??????,??1???????,???,???????????????

?????????,1?,??????M2?318.52?????,????7%,???????????;1??????????????,?????????7.06????????????,??????????????5.13?????

?????????,?????????????????????????????12.7%???11.4%,????????????????????????????????“??”“???”??????????????????????,????

1??,??3.4%,??????0.4????,?????,????,????? ??????????:???