1.
The Aerodynamic Noise Reduction by Using Porous Materials and Application to a Pantograph
构件表面粘贴多孔材料降低空气动力噪声及其在受电弓上的应用
2.
Aerodynamics of the Vocal Tract, Turbulence Noise, Abrupt Release, Bursts.
声道的空气动力学，紊流噪音，瞬间释放，突发音。
3.
Seybert AF. Crocker MJ. Moore Jwetal. Reducing the noise of a residential air conditioner. Noise Control Eng,1973,1(2):79?85.
单希壮.空调器室内柜机噪声的空气动力学分析.噪声与振动控制,2000(3).
4.
Limits of sound power level for noise emitted by air compressors (for power source use) and diaphragm compressors
GB7786-1987动力用空气压缩机和隔膜压缩机噪声声功率级限值
5.
hypersonic aerodynamics
特超声速空气动力学
6.
Research on the Vortices Flow and the Aerodynamic Noise Prediction of the Air-Conditioner's Fan;
空调器风机内流中的旋涡流动及气动噪声预测
7.
low noise air screw compressor
低噪声螺杆空气压缩机
8.
It is very important to reduce the aerodynamic drag and noise for a transport vehicle.
减小汽车行驶中的空气阻力，抑制行驶时的气动噪声具有十分重要的意义。
9.
Study of Vacuum Booster Test-machine Sound Insulation and Drive System;
真空助力器噪声试验台隔音与驱动系统的研究
10.
Develops a new type of swirling cold air diffuser and tests its performance in aspects of aerodynamics, cold air supply and noise.
研制了一种旋流式低温送风口，并进行了空气动力学、低温送风及噪声测试。
11.
The same problem should be noticed in utilizing containers to eliminate aeromechanic noises of other machines.
在利用容器消除其它机械的空气动力性噪声方面也存在同样的问题。
12.
Analysis of Relationship between Compressor Noise Vibration and Outdoor Unit Noise of Air-Conditioners
压缩机噪声振动与空调外机噪声关系分析
13.
The Effect of Rotating Speed of Fan and Protecting Mesh of Air Conditioner Outdoor Unit on Aero-acoustic Noise
空调器室外机组风扇转速和防护网对气动噪声的影响
14.
Limits of airborne noise emitted by marine diesel engines
GB11871-1989船用柴油机辐射的空气噪声限值
15.
Sound limit of central station air handling units
GB13326-1991组合式空气处理机组噪声限值
16.
Numerical Study on Characteristics of Pressure Fluctuation and Aerodynamic Noise of the Flow Field in a Counter-Rotating Axial Fan
对旋式通风机全流场内压力脉动及气动噪声特性的数值研究
17.
Designing air cleaner with good performance of noise reduction is one of the effective ways for the intake noise control.
设计消声效果良好的空气滤清器是控制发动机进气噪声的有效措施之一。
18.
The Dynamic Process and Cavitation Luminescence of Transient Single Acoustic Cavitation Bubbles
瞬态单一声空化气泡的动力学过程及空化发光