这是程序员必须投入一定精力来得到一些有用函数的地方之一。

This is one of those exercises where the programmer must put in a certain minimum amount of effort to get some useful function.

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它是对系统中用户和系统行为的拟合来得到一些直观结果，如吞吐量等。

This method is through a simulation of the actual user and the system's action to get some vivid result, such as throughput.

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根据大概的观点想法，我通常建立一系列不同相机，来得到一些有趣的画面。

Usually, I put up a bunch of different cameras based on a rough viewpoint idea to get some interesting frames.

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We can make some substitutions here using some of the derivation on the previous board which will give us the Planck constant divided by 2 pi mass of the electron times the Bohr radius.

在这里我们也可以,用我以前在黑板上写过的一些词来取代它,得到的是普朗克常数除以2π电子质量,再乘以波尔半径。

麻省理工公开课 - 固态化学导论课程节选

We've formulated one particular kind of engine, and seen how we can analyze what it does, come up with relations that seem of value for efficiency and other quantities.

这是一个很典型的热机，我们来分析它是怎么工作的，然后得到效率和其它一些,有用物理量之间的关系。

麻省理工公开课 - 热力学与动力学课程节选

So the process of cloning DNA is taking a few strands of DNA of a gene that you're interested in and making many copies of them, that's cloning,you like to make identical copies.

所以DNA克隆的过程,就是用你所感兴趣的,基因的一些DNA链,来得到更多它们的拷贝,这就是克隆,复制出相同的拷贝

耶鲁公开课 - 生物医学工程探索课程节选