??????????1?? ?????????

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

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

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

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