创建系统的概念模型。

Create a conceptual model of the system.

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领域模型可以视为所构建系统的概念模型。

A domain model can be thought of as a conceptual model of the system being built.

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为了表现这一点，下面的例子展示了一个使用 UML 的概念模型。

To highlight this, the example below shows a conceptual model expressed in UML.

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We ended the day with Bohr's model of the atom, which derived from the conceptualization of Rutherford.

那天课的结尾我们讲了从卢瑟福的概念中，衍生出来的波尔的原子模型。

麻省理工公开课 - 固态化学导论课程节选

So, what he did was kind of impose a quantum mechanical model, not a full one, just the idea that those energy levels were quantized on to the classical picture of an atom that has a discreet orbit.

还不是完整的,只是这些能级，是量子化的概念，作用到原子有分立轨道的经典原子模型上,当他做了一些计算后,他得到有个半径,他算出来。

麻省理工公开课 - 化学原理课程节选

And that leads to a notion of being able to model the market, how?

这样就引出了建立市场模型的概念,怎样建立呢？

麻省理工公开课 - 计算机科学及编程导论课程节选