区域水环境经济投入、收入的研究

Research about the Economic Input and Income of Regional Water Environment

将一区域的水环境指标单独研究，讨论区域水环境经济投入与收入的关系，求取最佳清洁度平衡点。

Water environment indexs of certain region were singally researched. The relation between economic input and income of regional water environment was discussed in order to find the best cleanliness equilibrium degree.