The traditional residence is both the start of architecture and the origin of theory.

传统民居是建筑起点、理论本源。中西都葆有的史前特点，竟深具现实意义。

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Environmental assessment of the product origin of theory, method of presentation and to determine system for the evaluation of methods and specific technical processes.

对产品产地环境评价的理论、方法进行介绍和探讨，确定系统所需的评价方法和具体的技术流程。

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Whoever formulated the theory of the origin of the universe, it is just hypothetical and needs proving.

无论谁提出了宇宙起源的理论，它都只是一个假设，需要证明。

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Darwin had been working on his theory for over twenty years when he published " On the Origin of Species."

VOA: special.2009.12.01

Mother's Day marks the halfway point of Lent, and one theory of its origin is that it was marked by visiting the region's "mother church" or cathedral.

BBC: How much Christianity is hidden in British society?

Another theory of the origin of modern humans, known as the multiregional hypothesis, holds that earlier forms of humans originated in Africa and then slowly developed their anatomically modern form in every area of the Old World.

WSJ: Study Points to a Single, Original Language for All Humans

He landed, camped there, left and returned, studied, researched and conceived his earth-shaking theory of evolution, On the Origin of Species, in 1859.

FORBES: Connect