????:??????????????? ???????????
2025-02-16 18:35:0885814
????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??????????????????,???????????????????????(??????)
????????????:??????