It includes posing problem, research significance, studying methods, learning the source of theory.

问题的提出，研究的意义，研究方法，理论探源。

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Then this part investigates the source of theory and the relationship between Camus and existentialism.

接着考察了荒谬哲学产生的思想渊源，最后论述了加缪与存在主义哲学的关系。

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This story, about the birth of the Moon, is still a theory, one among several attempting to explain the source of our satellite.

这个关于月球诞生的故事，还只是几个试图解释我们这个卫星来源的理论中的一个。

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So you will sometimes see as you are reading the text, they will sometimes refer to Horeb instead of Mount Sinai, or you'll see the two names used interchangeably. And it's been the theory of scholars that that's because it comes from a different source.

所以，有时在你阅读的文本中，它会提到和烈山,而不是西奈山，或者你会看到这两个名字,互换着用，根据学者的理论解释，这是因为,这两个名字来源于不同的资料。

耶鲁公开课 - 旧约导论课程节选

The Swiss team say the presence of arsenic in Napoleon's hair, the source of the poisoning theory, was linked to this enthusiasm for wine.

BBC: RELATED BBC SITES

In humans the vocal tract acts as a filter on the sound from the source, and the "source-filter theory" held that the separate, fine control of the vocal tract to be the product of a long evolution in the development of the subtleties of speech.

BBC: Helium-huffing gibbons 'sing with soprano technique'

The source of malinvestment, according to the Austrian theory, is the systematic distortion of the structure of production that has its origins in government manipulation of the interest rate.

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