marginal yield analysis 边际分析
marginal yield on capital value 资本价值的边际效益
marginal profit yield 边际利润收益
·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the experimental data, the relationships between water consumption, yield, marginal yield, water use efficiency and soil water content are systematically analyzed.
根据田间试验资料，系统地分析了棉花耗水量、产量、边际产量、土壤水分含量、棉花水分利用效率之间的关系。
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