????:1???????????:????????

2???????

3?????????

4???????????

5????????

??(???????):???,??????????????????????????????????,????,??????????????,?????????????????????

??,?????3.1????,??14.7???????????????????????????,????????????????“??????????????”????????,????????????6????,??????????11???,???2?????????????????????,???,???????,??????

??????????,??????????????,????????????????????????,??110??,???????4.54??????????,??15.1%,????????1??????????????????????????????????????,?????????,??????????1100????????,??????????????1300??????,????????990??????

?????????????:??????????????????????????????