The dangerous of canyoneering would rock fall, faulty anchor system, flashflooding, as well as cold water, cold air, change of hypothermia, and little or no chance on rescue.

攀峡的危险有坠石、索具出现问题、泛洪、以及冰冻的水和空气、攀峡者体温过低、获救的机会几乎为零。

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This heat creates a strong high-pressure system that brings cold polar air into Europe.

由此产生的热量形成了一股强劲的高压系统，并把极低的冷空气带到了欧洲地区。

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From the aspect of exterior-protected construction. cold and heat resources, edge, eater system and management of air conditioner, put forward some measures and methods to saving energy.

本文从围护结构、空调的冷热源、空调的末端、空调水系统及空调的管理几个方面提出了一些节能措施和方法。

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The Hailstorm II pairs an advanced liquid cooling system with a blustery current of cold air driven by three front intake fans and a large rear exhaust fan.

ENGADGET: Digital Storm's Hailstorm II relieves you of gaming PC claustrophobia, $2,760 cash

Meteorologists were blaming the nor'easter on the collision of two storm systems: cold air traveling south from Canada bumping into a moist low pressure system heading north from the Carolinas.

WSJ: Major Blizzard Bears Down on Northeast

It carried its own air-conditioning system, to prevent batteries from getting too cold or too hot.

NEWYORKER: Green Giant