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???2??15? (? ?????????????????)2??????????14???????,?????????????(?????????????????????)(?????????????????????“???????????”)??????2???,????,?,????,??1.2?????
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2025?????2?8????????????,?????2??????????????????,?????????????
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????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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