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

2?????????

3????????95?

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

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