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2025?????????????2?????????????????8??????????????,??2?,?????????????????????????
???????,?,??????????3.2?LiDAR????????????????,??????60???,????5????
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?(???)???2010??????????????????????(DEM),????5????????????DEM?,???????????????????,??????????????????DEM?0.1??????(???????DEM?????????????????????)?“???????????????????????,???????????,????????????DEM??,?????”????????????????,???????0.5??????????
??????????????????????,????????????DEM??????????????DEM??,???,?58.7?????????????????????????????,????22.4??????
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???????????,?35.3?,??????????????????57.7??????????????????????,?????????(??????????)
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