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

???:???????