After these, this paper analyses the features of irrigation benefits, and calculates the average benefit of every scheme with simulated method, using Economic Net Present Value.

之后，对灌溉效益特点进行深入地分析，并使用模拟方法，以经济净现值为指标对研究区的农业灌溉方案的经济效益进行模拟求解。

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But the Employment Cost Index shows that the average value of health benefits rose 18 percent from 1998 to 2008, adjusting for inflation.

FORBES: Uwe Reinhardt: No, You're Not Allowed to do That