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

2?????????????

3??????????

4?????????

5??????v

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

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