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

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

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

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

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