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

2???????

3???????v

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

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