The economic index is addressed using the fuzzy net present value analysis. And fuzzy variables are used to replace the uncertain variables in the strategic indices and risk indices.
用模糊净现金流表示经济指标，用模糊变量代替战略指标和风险指标中的不确定性变量。
Basic techniques of engineering economics, including net present value analysis, life-cycle costing, benefit-cost analysis, and other approaches to project evaluation are among the topics covered.
工程经济学的基本方法，包括净现值分析法、寿命周期成本法、收益-成本分析法和其它项目评估方法。
Finally, a case analysis is presented based on the above models and actuarial present value.
最后，根据所建立的模型和所得到的精算现值进行了实例分析。
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