A third type of mountain may be formed as a result of volcanic activity which occurs in regions of active fold mountain belts, such as in the Cascade Range of western North America.

第三种类型的山可能是由于火山活动形成的，一般发生在活动性褶皱带地区，如北美西部的喀斯喀特山脉。

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Proteins, the building material and the machines of life, can only become active when they fold and take on a three-dimensional structure.

蛋白质，生命的组成物质和机器，只有在正确折叠形成三维结构时才会具有活性。

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These active structures are surface deformation with different property formed in the different place of fold during the development of Dushanzi anticline since the period of neotectonic movement.

这些表层构造有着不同性质的地表变形，是多次古地震活动的反映。

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