1.
Simulate alarm condition to test audible and/or visible alarm.
模拟警报条件以测试声光警报。
2.
echo meter=echometer
回声测试器回声测深仪
3.
double-channel echo well sounder
双通道回声井深测试仪
4.
ultrasonic concrete tester
超声波混凝土测试仪
5.
transistor low-frequency noise-meter
晶体管低频噪声测试仪
6.
" Electric,sonic properties and measuring methods for sound level meters"
GB/T3785-1983声级计的电、声性能及测试方法
7.
IMPEDOMETRY (Analysis of 200 Normal Ears)
声阻抗测听(200只正常耳测试结果分析)
8.
We will notify participants when the beta test is nearing completion.
当测试接近尾声，我们会通告参与测试者。
9.
Principle and Millimeter Wave Frequency Expanding Measurement Technology of Noise Figure Meter
噪声系数测试仪的原理及毫米波扩频测试技术
10.
Acoustics--Audiometric test methods--Part 2: Sound field audiometry with pure tone and narrow-band test signals
GB/T16296-1996声学测听方法第2部分:用纯音及窄带测试信号的声场测听
11.
A Study on Automobile Engine Noise Measurement and Psychoacoustic Evaluation System;
汽车发动机噪声测试及心理声学评价系统研究
12.
An investigation of background noise measurement technology in aeroacoustic wind tunnel
低速航空声学风洞背景噪声测试技术研究
13.
Fabrication and performance measurement of acoustical waveguide in acousto-optic tunable filter
声光可调谐滤波器中声波导的制作及性能测试
14.
Application of DAMAS Method of Microphon Array for Measurement of Airplane Noise
传声器阵列反卷积法在飞机噪声测试中的应用
15.
Development of Virtual Measurement and Analysis System for Machine Tool Based on Soundcard
基于声卡的机床噪声虚拟测试分析系统的开发
16.
Research on the influence of neritic sound propagation environment to acoustics test
浅海声传播对声学测试影响的初步分析
17.
Study on Acoustic Transmission Loss in 4-channel Impedance Tube with Single-sensor
单传声器四通道驻波管隔声量的测试研究
18.
Measurement & Analysis of Typical Cockpit Background Sound in Anechoic Room
典型舱音背景声在消声室中测试分析研究