1.
The graduation of air-borne sound insulating properties and test method for door
GB/T16730-1997建筑用门空气声隔声性能分级及其检测方法
2.
Measurement code for airborne sound insulation of dwellings
住宅建筑空气隔声测量规范
3.
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
4.
The graduation of air-borne-sound insulating properties and test method for windows
GB/T8485-1987建筑外窗空气隔声性能分级及其检测方法
5.
silencer-filter type air intake
消声滤气器型空气进口
6.
Spacial Distribution Model of Field Stimulated by Airborne Source
空气中声源激发声场的空间分布模型
7.
hypersonic aerodynamics
特超声速空气动力学
8.
a sound wave that is transmitted via air.
通过空气传播的声波。
9.
air cleaner and silencer
空气净化器及消声器
10.
low noise air screw compressor
低噪声螺杆空气压缩机
11.
Air is the common medium of sound.
空气是声音的普通介质。
12.
A tuning fork transmits sound waves through the air.
音叉通过空气传播声音。
13.
Air is the medium of the sound.
空气是传播声音的介体。
14.
Air is a medium for sound.
空气是声音的传播媒介。
15.
sound control glass
隔音玻璃，隔声玻璃
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.
A Summary on Acoustic Insulation Performance Test and Simulation Analysis Methods of Intake and Exhaust System
进排气系统隔声性能试验与仿真分析方法综述
18.
Numerical Simulation and Experiment of Integral Flow Field of Diverterless Supersonic Inlet/Forebody
无隔道超声速进气道/前机身一体化计算与试验