当时的电脑主要是用来科学计算的，例如计算火箭的轨道。

Back then computers were mostly for scientific computation, like calculating the orbits of rockets.

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有了变量和任务，您就可以轻松计算了，例如计算查询进行的次数。

With variables and assignments, you can also perform easy calculations, such as counting the occurrences of a query.

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你们都知道，有限数据集合平均值的意义，例如计算18。

Well, you know what the average of a finite set of data is.

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Whereas under these conditions, these quantities, if you look at free energy change, for example at constant temperature and pressure, H you can still calculate H.

但是，在这些条件下，这些物理量，如果我们考察自由能的变化,例如在恒定的温度和压强下，我们仍然可以计算。

麻省理工公开课 - 热力学与动力学课程节选