????:1????????????:????92?95?????

2??????????

3?????90????????

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

???:?????