1.
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。
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.
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
6.
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
7.
hypersonic aerodynamics
特超声速空气动力学
8.
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
9.
low noise air screw compressor
低噪声螺杆空气压缩机
10.
An Experimental Study of the Dynamic Characteristics and the Noise of Valve-Actuating Mechanism in a Small High-Speed Air-Cooled Diesel Engine
小功率风冷高速柴油机配气机构动力特性及噪声的试验研究
11.
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。
12.
Theoretical and Experimental Study on Aerodynamic Quality of Dissipative Silencer;
阻性消声器空气动力性能的理论及实验研究
13.
Experiment Research on Flow Noise and Hydrodynamics Character of Moonpool;
月池流噪声及水动力特性的实验研究
14.
Testing the aerodynamic characteristics in a tangential boiler by acoustic measurement
四角切圆炉内空气动力特性的声学测量试验
15.
Study on Aerodynamic Quality and Fluid Simulation of Expansion Mufflers
扩张式消声器的流体仿真及空气动力性能研究
16.
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
17.
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。
18.
The Noise Elimination Capability of Diffusive Silencer and It's Air Flow Filed Analysis;
扩散型消声器的消声性能及其空气动力性能研究