并确定了生产规模的可行范围，并以矿井生产寿命期内获得净收益现值最大为目标，给出了一种确定矿井最优生产规模的经济数学方法。
The available ranges of production scale are determined based on the analysed result. The method to get the best production scale is determined for getting the most profit in the whole mine.
对内部软件项目来说，收益或是以项目的‘净现值’计算，或是以内部收益率计算。
For internal software projects, return is either calculated in terms of the 'Net Present Value' of the project, or in terms of an internal rate of return.
在对内部收益率的计算中，净现值被设为零，要计算的是使净现值为零的内部收益率。
In the case of the internal rate of return calculation, a net present value of zero is assumed, and the internal rate of return needed to produce this is computed.
为了使来自不同年份的净收益可以进行比较，必须计算他们的现值。
To make net benefits from different years comparable, their present value must be computed.
正净现值标准—这个标准要求收益限制比任何已经投产的项目成本的现值大。
Positive net present value criterion — This criterion requires the present value of benefit to be larger than the present value of costs for any project that is to be undertaken.
净现值法是在资本预算最为重要的一种方法，它需要的一个重要输入变量是项目的必要收益率。
NPV is the most important method in capital budgeting, an important input variable it needs is the hurdle rate of a project.
本文针对项目评估中的净现值(NPV)和内部收益率(IRR)开展分析讨论。
This thesis is concerning Net Present Value (NPV) and Internal Rate of Return (IRR) of project evaluations.
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。
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.
本章在研究了风险投资的含义和基本特点的基础上，介绍了传统的投资决策方法即净现值法和内部收益率法的基本原理。
This chapter introduced traditional investment decision method, such as net present value and inters return rate on the base of function and character about venture capital.
介绍了泵业企业长期投资决策中最常用的净现值法和内部收益率法这两种决策方法。
The thesis introduces the net present value method and the internal rate of return method which are most commonly used in the long term investment of pump enterprises.
净现值法是资本预算中最为重要的一种方法，它需要的一个重要输入变量是项目的必要收益率。
NPV is the most important method in capital budgeting, and an important input variable it needs is the hurdle rate of a project.
财务净现值、内部收益率、动态投资回收期等是房地产投资的动态财务评价指标，它考虑了资金的时间价值，从项目的全寿命期考虑，比较合理和准确。
They concern about the timing value of the investment while considering the whole process of the project so that are reasonable as well as accurate.
财务净现值、内部收益率、动态投资回收期等是房地产投资的动态财务评价指标，它考虑了资金的时间价值，从项目的全寿命期考虑，比较合理和准确。
They concern about the timing value of the investment while considering the whole process of the project so that are reasonable as well as accurate.
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