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

2???????

3?????????

4?????

5???2019????

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

??:?????