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。
To counteract the weakness of net present value, a new index, the utility sum of accumulated net-cash-flow present value, is put forward in this paper.
本文针对净现值等指标的局限性，提出了累计现值效用和值指标。
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