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

2???????

3????????????

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

5??????????

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

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

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

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