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。
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.
边际贡献法是盈亏平衡分析中的一种非常重要的方法。
The contribution margin means is a very important means in Profit-Deficit Balance Analysis.
衡量生产要素贡献大小与收益多少，可借助于社会财富的价值形式和边际分析的方法。
When measuring the contribution and value of production factors, the value pattern and marginal analytical method of social wealth is employed.
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