The composition and the principle of FESTO auto moving balance system are introduced.

介绍FESTO汽车动平衡系统的基本工作原理和组成元件。

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This paper introduces the three-way emission control technology and the principle of auto exhaust catalytic converter. The main composition of the three-way-catalyst is also reviewed.

介绍汽车尾气三效催化净化技术及净化器的主要工作原理，并对三效催化剂主要成分： 载体、 涂层、 活性催化剂及助剂进行论述。

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Typical composition of the auto exhausts is given in Table IV-6.

汽车尾气的典型成分示于表Ⅳ-6中。

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Each of the new models features a new and improved Superior Auto Mode that automatically adjusts camera settings for the ideal composition in all lighting situations, even if a subject is moving.

ENGADGET: Sony brings Cyber-shot HX300, WX300 and TX30 to the US with fast autofocus

Also available is the Auto Portrait Framing feature which detects the faces in images captured and intelligently applies the recommended composition afterwards.

ENGADGET: Sony announces PlayMemories camera apps, will arrive on the NEX-5R first

"The text of the Clean Air Act makes plain that Congress intended it as a measure to 'clean' the air of pollutants, not to alter the overall composition of the Earth's atmosphere, " argues the Alliance of Automobile Manufacturers, an auto industry lobbying group, in a brief.

FORBES: Supreme Court Takes On Global Warming?