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

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