从发行的净现值的财产，我们可以计算出预期净现值及其标准偏差。
From the distribution of the net present value of the property, one may calculate the expected net present value and its standard deviation.
在实际应用中，净现值法有时会使公司的投资决策预期与实际结果发生很大偏差。
In practice, however, sometimes there are still some big biases between the investment decision anticipation of the company and the actual result.
传统投资决策方法以净现值法为代表，通过比较预期收入流和费用流的现值来进行决策。
The traditional investment decision methods, represented by Net Present Value method, compare the present values of expected income and cost stream to decide.
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