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

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

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

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

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