?? ??“??”????????
????:1??????????:??????
2????????????
3?????????????
4????????
5?????????
????(??):????????????????????????????,???????????
????,??,???????????????8????,????????????????????????????????????????????????????????????????????????????????????,??7??114????????????????
????????????????????????????,??,??????????????????647.81??????????????????????????????????????????????8???30%40%,??????????????????,?16??????,??????????100??????????,?????,????????????,???21???????51?????????,?????????????????????,?450??????????,??????????????????500??????????
???????????????,??????????,?????????????????????1????????????????????????,????????????
????,????????????????????,?????????,?????50%,???35%?
????????????????,????????????????,???????????“????+”???????,?????????????????????
???????,???????????16.4%?????????????????????38.1%?34.6%???13.2%? ???????:???????