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