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

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