Based on the actual situation in the upper reaches of minjiang river , the main assessment factors such as strata structure , landform , vegetation covering eco - environment , surface water , ground water , agrotype and geological hazard are selected in this paper 本文根据岷江上游的实际情况选取岩性构造、地形地貌、植被覆盖生态区、地表水、地下水、土壤类型及地质灾害等因素作为评价因子。
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