例如，当地山谷系统内部和之间的降雨变化很大，因此，即使相邻的农田也可以产生明显不同的产量。

Rainfall, for example, varied within and between local valley systems, so that even adjacent agricultural fields can produce significantly different yields.

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值得注意的是这是系统内部行为的模型。

It is worth noting that this is a model of the internal behavior of the system.

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这个层次的静态视图也将我们的视角切换到系统内部。

The static view at this level also switches our perspective to the system internals.

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Because if it's irreversible, it's very likely that I don't know what the pressure inside the system is doing while this is happening.

因为对不可逆过程，系统内部的压强,没有明确的定义,气体不处于平衡态。

麻省理工公开课 - 热力学与动力学课程节选

So in fact what happens inside of an object-oriented system, and particularly in init Python's object-oriented system, is the following.

面向对象系统的内部,尤其是在Python的面向，对象系统的内部的过程,就是如下的，当我们调用，它会去创建一个实例。

麻省理工公开课 - 计算机科学及编程导论课程节选

Now, one of the advantages of having second messengers is this is one way that you can integrate between different receptor systems that are acting inside a cell.

使用第二信使分子的好处在于,它能够将,作用于细胞内部不同的,受体系统结合起来

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