折现净效益成本比率 discounted net benefit-cost ratio
未折现净效益成本比率 undiscounted net-benefit-cost ratio
效益-成本比率法 benefit-cost ratio
二次结果的措施心血管事件,生活质量,成本和增量成本效益比率。
The secondary outcome measures are cardiovascular events, quality of life, costs and incremental cost effectiveness ratios.
成本效益分比率准则——净利润现值低于零的无活力地区应该被承揽。
Cost-benefit ratio criterion----No activity where the present value of net benefits is less than zero should be taken.
提高了油管修复比率,减少了油管报废的数量,为油田减少了不必要的经济损失,直接提高了油田的经济效益。
Pipeline repair rate increases, reducing the number of scrap tubing for the oil to reduce unnecessary economic loss, directly improving the economic benefits of the oilfield.
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