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

2????????

3?????

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

5???????

????????8??????????6??(??? ?? ????????????????)???????6??????????,7?????,±800?????????????????????????????????????????????????“??”????134.8????,?38%,???????????????

7??????????????????4?????,?????,?????????30.7?,????????????2?,??????,7????715.5??????????????,???9.9%?

???????????????,?,????????????????????????????????,????????“??”??????????,?????,??430????,???20%?

±800?????? ?????????? ????

????8????,????????,???,????“?”??????5???????8?????????????????????????4??,“??”??,???5.39????,???????????????2000?24???????????

±800???????,?????????????????????????????????????,???,????GIS?????????????????????8????6????,?????????????????????±800??????????????8?800?????????

“????????‘???’??????50%,????????????????,?????????”???????????????,???????,???2??,???????????????????

???????????????????????????????????????,????????????????????????,??,??????????????,?????????????????7?,????140??????????????????,????,7???18.5???,??60%,???4436????????????,???(??)

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