Utility value is the matter agent of environmental economics value, utility value relation assumes catenoid or netlike structure.
效用价值是环境经济价值的物质承担者，效用价值关系呈链状或网状结构。
Utility value is the matter agent of environmental economics value, utility value relation assumes catenoid or netlike structure.
效用价值是环境经济价值的物质承担者，效用价值关系呈链状或网状结构。
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