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

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