小流域综合治理生态工程应用的原理主要包括 �物质循环再生原理 �协调与平衡原理 �整体性原理 �工程学原理 �物种多样性原理 A.����� Template




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tomski小流域综合治理生态工程应用的原理主要包括 �物质循环再生原理 �协调与平衡原理 coloring