???????????????:???? ???????????
?????????????2????????????15? (????? ??????)2???????????14??,?(??????)(?????“?”)??????2????????????????,????,?,?????????????????,??????1.2?????
2025???????2???????????8????????????????????,?????2????,???????
?,?????,?3.2?LiDAR?????????????,?60?,???????5?????
???????????????1148.17?????????,??????????593.72??????,??????554.45?,???????????????40???????-60??????????????????,?????,??????????????283??????????????????????,????????????42.7?????908?(????????????1162???????????????????????),?????296?,??2562.8??????????????????,?????18??????????????????283?,???????306???,?????417??????????????????????
?????????????????(?????????????????)?????????????????????2010???(DEM),?5??????????????????????????????DEM?????????????????,????????????????????,??DEM??????????????0.1??????????????????????(??????????DEM???)?“?,???????????????,??????????????????????DEM????????,???????????”?,?0.5?????????????
??,?DEM????DEM??????????????????,???,???????????????????58.7?????????????,???????22.4?????????
????,???35.3???,???????????57.7???????,??(????)
?????:???????????????????