????:1????1000???????:??????????

2???????

3???????

4?51?????

5??????????

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

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

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

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