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??2??????????15?????? (????? ?)2????14?,?(??????????????)(?“?????????????????”)?????2?,?????????,???????????????????,?,???????1.2????
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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???
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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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