本文从深层结构概念理论出发，分析城市活力的来源，提出“城市发生空间”概念并论述其基本属性。

The thesis analyses the origin of urban Vigour from the theory of deep structure concept, puts forward the urban growing space and expounds its basic attribution.

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马可尼的例子表明，在科学技术的进步中，理论概念和实验是相辅相成的。

Marconi's example demonstrates that theoretical concepts and experiments complement each other in making progress in science and technology.

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魏格纳的概念与后来被广泛接受的板块构造理论之间有相当大的重叠。

There is a considerable overlap between Wegener's concepts and the later widely embraced plate tectonics theory.

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It's a problem, as you'll see, designed to give you some practice at dealing with some of the, dare I say, more theoretical concepts we've covered in class.

这种问题会让你在处理我们,课堂上并没有讲到的更多,理论概念这方面上有更多实践,这种问题就像算法复杂度一样。

麻省理工公开课 - 计算机科学及编程导论课程节选

The earnings, you understand, are kind of a theoretical concept but dividend is the money that we send out.

你们都知道,收益是个理论概念,但股利是我们分发出去的钱

耶鲁公开课 - 金融市场课程节选

And to do this we're going to introduce valence bond theory, and the idea of hybridization of orbitals.

在这之前我们要引入价电子成键理论，和杂化轨道的概念。

麻省理工公开课 - 化学原理课程节选