????:1?????app:????????

2???????????????

3???????

4?????SPA??

5??????V

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

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

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

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