????:1???300??????:?????

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