marginal user costs meaning in English

边际使用费用

Fourthly , it discussed the application of the model mar ginal opportunity cost ( moc ) on water pricing , and at the same time , it estimated the composing elements : marginal production cost ( mfc ) , marginal user cost ( muc ) , and marginal environmental cost ( mec ) , and then evaluated the feasibility of the model , taking the water pricing of chibi city as the example
第五章重点论述边际机会成本定价模型在水资源定价中的应用，与此同时，对构成要素即边际生产者成本、边际使用者成本、边际环境成本进行了估算和评价；并以赤壁市水价为例，分析边际机会成本定价模型的准确性及可操作性。