The formula forcalculating NPV can be written as remembering that C0, the cash flow at time 0(that is, today), will usually be a negative number.

我们将计算净现值的公式计作C0，在时点0（就是指今天）的现金流通常是一个负数。

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Wikipedia lists several versions of the formula, all of which are based on graphing the execution flow through a function.

Wikipedia列出了这个公式的几种版本，他们都是基于整个函数执行流程的一个图形来进行描述。

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Several structure forms are presented in detail. The practical flow measurement calculation formula is proposed.

详细介绍了均速管的几种结构形式，给出了实用流量测量的计算公式。

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The formula: have management borrow money against the assets and cash flow of a company, and use that money to buy a controlling stake of it.

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