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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I leave this type of code active in production builds because the thread check is cheap.

在构建产品时我会保留此类代码，因为线程检查很开销较低。

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The Playboy : This man is the active, self-confident, Don Juan-type seducer.

花花公子类： 这类当然多为男性，活跃自信，唐璜类的大众情人。

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On an airplane, the noise-canceling claim is borne out, though a head-to-head comparison with a pair of Bose headphones suggests that the noise-canceling profile is somewhat different than the active-reduction type.

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The chancellor of the exchequer, Gordon Brown, hitherto a seriously hyper-active type, needed a break from using fiscal policy to mend every last thing in the economy that does not work exactly as he thinks it should, and so did the country.

ECONOMIST: Britain has a two-faced chancellor

The system the researchers tested used a type of solar cell known as dye-sensitized solar cells, a lightweight and inexpensive type where the active layer is composed of titanium dioxide, rather than the silicon used in conventional solar cells.

FORBES: A More Efficient Solar Cell--Built By A Virus