The measures of water resources development with technical feasibility can be economically and rationally analyzed by using the marginal cost analysis method.
边际成本分析能对具有技术可行性的水资源开发利用方案作出经济合理性分析。
Marginal contribution analytical method commonly used in intermittent industry can also be used for economic analysis of production and operation of solid products in petrochemical industry.
石化行业固态产品生产经营的经济分析可以借鉴离散性工业中常用的边际贡献分析法。
Methods: Based on the questionnaire survey and interview designed, the study USES the method and theory of marginal cost to make an analysis.
方法：通过问卷调查和定性访谈，运用边际成本方法进行分析。
应用推荐