Diesel engine exhaust is not normal, often the engine is unable or difficult to launch the accompanying phenomenon.

柴油机的排气不正常，经常是发动机无力或不易发动的伴随现象。

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Urbanization, an important symbol of civilization and advancement of human being, is a social and economic phenomenon accompanying industrial society and information era.

城市化是伴随着工业社会、信息时代的一种社会经济现象，是人类文明进步的一个重要标志。

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Nonlinguistic elements accompanying verbal words give a hand in communicating ideas, and it's a phenomenon in voice or body behaviors, a carrier of info-exchange.

非语言要素是伴随有声语言并辅助有声语言表情达意的声音现象或人体行为，是信息交流的载体。

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