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

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

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

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