函数式语言的最大优点是执行的顺序无关紧要。

The big advantage of functional languages is that the order of execution doesn't matter. As a simple example, consider these two (algebraic) functions.

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几何识别过程中几何特征与笔画数目、顺序无关。

The course of recognition is independent of the amount and order of strokes.

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公允价值的取值与评估方法选择的先后顺序无关。

Fair value has nothing to do with the sequence of appraisal approaches.

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Because the order of this doesn't matter.

因为字典里元素的顺序无关紧要。

麻省理工公开课 - 计算机科学及编程导论课程节选

In other words, the order of taking the derivatives with respect to pressure and temperature doesn't matter And what this will show is that dS/dp dS/dp at constant temperature, here we saw how entropy varies with volume, this is going to show us how it varies with pressure.

换句话说,对温度和压强的求导顺序无关紧要,结果会表明,恒定温度下的，对应我们上面看到的，熵如何随着体积变化，这个式子告诉我们，熵如何随着压强变化。

麻省理工公开课 - 热力学与动力学课程节选