第二种是成本—收益率(Cost-Benefit Ratio)法，包括内部收益率法、教育收益现值法以及成本收益比值法，采用成本—收益法有一个明显局限，就是对数据的要求很高，他需要有每...
基于12个网页-相关网页
... 成本为基的查询最佳化 cost-based query optimization 成本获利比 cost-benefit ratio 成本复杂修剪 cost-complexity pruning ...
基于8个网页-相关网页
cost benefit ratio 成本效益比率
social cost-benefit ratio 社会成本收益率
Benefit-Cost-Ratio Method 益本比法 ; 效费比法
discounted net benefit-cost ratio 折现净效益成本比率
benefit-cost ratio bcr 效益成本比
discounted gross benefit cost ratio 总收益现值成本比率
But knowing the cost-benefit ratio of a purchase is not the same as knowing its value.
但是，知道一件所购之物的成本效益率并不等于知道了它的价值。
Cost-benefit ratio criterion----No activity where the present value of net benefits is less than zero should be taken.
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。
Although HS2 seems to have a positive cost-benefit ratio, there are other projects, chiefly in roadbuilding, that would provide a better return.
虽然，HS 2项目的成本效益比似乎比较积极，但另外一些项目，首先在筑路这块就将提供一个更好的回报。
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