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

2?????????

3???????80??

4??????????

5???????

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

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

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

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