在近岸石油勘查中，勘探船牵引着一个声源以及水下捡波器。一个气动装置发出声波，就象气球爆炸那样。
In offshore prospecting a ship tows a sound source and underwater phones. Sound waves are generated by a pneumatic device that works like a balloon burst.
发动机噪声是汽车的主要噪声源，空气动力噪声是发动机噪声的组成部分之一。
Engine noise is the major noise source of automobile; air power noise is one of composition parts of engine noise.
通过对MB503型木工平刨床进行试验模态和空气动力学的分析，确定了木工平刨床的主要噪声源，并进行了实验验证。
Through the analysis of experimental model and air dynamic of type MB503 wood surface planer, and chief noise source was fixed, and was verified by the experiment.
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