键入任意常规的数学表达式，你会马上得到结果。

Type in any normal mathematical expressions to get the answer immediately.

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这是因为用相当简单的数学表达式就可以表达大量信息。

This is because a relatively large amount of information can be encoded in a relatively small equation.

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所导出的数学表达式，可用于精确的数值分析和设计计算。

The mathematical formulation given can be used for accurate numerical computation and design purposes.

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It's a very important point, if you see the very simple math that I'm showing up here.

这一点要特别注意，看看这个简单的数学表达式。

耶鲁公开课 - 金融市场课程节选

Again, for the math phobics in the room, don't panic, this is just writing down in words what we've already seen a couple of times already today, well today and last time.

在座的有数学恐惧症的同学不必惊慌,这仅仅是用数学表达式来表示,我们今天学到的一些知识点罢了,其实是这一讲和上一讲的知识点

耶鲁公开课 - 博弈论课程节选

Mathematically, it's done by taking the expression for R and differentiating everything in sight that can be differentiated as vector t.

从数学上看是这样的,写出 R 的表达式,并对所有可以进行矢量微分的部分,对时间 t 求微商

耶鲁公开课 - 基础物理课程节选