举例分析了几种典型花纹的噪声产生机理。
The noise generating mechanisms of some typical tread patterns are analysed for example.
在分析路面噪声产生机理的基础上，确定路面噪声的特性。
Based on the analysis of pavement noise's mechanism, character of pavement noise was ascertained.
分析了飞机的喷流噪声产生机理，讨论了喷流噪声的控制技术。
The jet wash noise generating mechanism of the flight has been analyzed. And the noise control technology of the airplane has been discussed.
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