并且，为了对噪声影响进行数值化分析，提出了一个噪声影响评价函数。

Then, the influence mechanism of noise is discussed and a noise influence evaluation function is put forward for the digital analysis of noise influence.

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本文试图就化工厂噪声对城市环境的影响作出估价，并主要讨论了评价方法。

This paper attempts to value the effect of noise from chemical plants on urban environment and dealt with the evaluation method.

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汽车的噪声不仅是影响其舒适性指标的重要因素，而且也是评价其质量品质的重要指标之一。

The noise in vehicles is not only important factor of influencing its comfort index but also one of important index of evaluating its quality.

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