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.
真空伏辊空气动力性噪声是造纸机的主噪声源。
The aerodynamical noise of vacuum couch roll is the major noise source of paper machine.
发动机噪声是汽车噪声源的主要部分，它是由多种声源发出的噪声组合而成的，主要包括空气动力噪声和机械噪声和燃烧噪声。
Engine noise is the greatest part of the vehicle noise, it consists of many kinds of noise especially gas kinetic noise, mechanical noise and combustion noise.
其噪声源既有机械噪声、空气动力噪声，又有电磁噪声，比较广泛的分布在车间内。
The noises that can be divided into mechanical, aerodynamic and electromagnetic ones are widely distributed in different workshops.
介绍了新干线车辆空气动力噪声的声源探测方法及相应的降噪措施。
Described are the sound source detection method for the aerodynamic noise on Shinkansen rolling stock and relevant noise reduction measures.
对气动凿岩机产生的噪声声源进行了全面的分析研究，介绍了各声源的特性及测试方法。
This paper is based the full analyse and research of noise source of pneumatic drill.
将气动凿岩机的冲击噪声和回转噪声作为一种主要噪声声源。
It takes the shock and rotation noise as one of the main noise source of pneumatic drill.
探讨了声源运动对声场的影响，实验所得的谱曲线证实了即使在低马赫数下运行的气动源，其运动效果对近场分析亦是不可忽视的。
The spectrum curves got from near field experiments prove that moving sources are not negligible even for aerodynamic sources produced in low Mach numb…
针对多翼离心风机气动噪声的主要噪声源提出降噪方案。
In this paper, some schemes of reducing the aerodynamic noise are proposed for multi-blade centrifugal fans.
探讨了声源运动对声场的影响，实验所得的谱曲线证实了即使在低马赫数下运行的气动源，其运动效果对近场分析亦是不可忽视的。
The spectrum curves got from near field experiments prove that moving sources are not negligible even for aerodynamic sources produced in low Mach n...
通过对离心风机噪声源的分析，进一步确认空气动力性噪声最强。
The noise from the centrifugal fan is measured and analyzed. It shows that air dynamic noise is primary one. for control air dynamic noise.
随列车行驶速度逐年提高，气动噪声源逐渐超越轮轨噪声成为高速列车最主要噪声源。
With the constant increase of the trains' speed, the aerodynamic noise gradually succeeds the traditional track noise and becomes the main noise source of the high-speed trains.
随列车行驶速度逐年提高，气动噪声源逐渐超越轮轨噪声成为高速列车最主要噪声源。
With the constant increase of the trains' speed, the aerodynamic noise gradually succeeds the traditional track noise and becomes the main noise source of the high-speed trains.
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