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

2?????????

3????????

4??????95?98?

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

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