1.
echo meter=echometer
回声测试器回声测深仪
2.
double-channel echo well sounder
双通道回声井深测试仪
3.
magneto striction echo sounder
磁致伸缩回声测深器
4.
Test methods for noise generator
GB/T12280-1990噪声发生器测试方法
5.
A Noise Testing System Used for Engine Based on Virtual Instrument;
基于虚拟仪器的发动机噪声测试系统
6.
The Design and Realization of Test System of Low Noise Amplifier
低噪声放大器测试系统的设计与实现
7.
Design of Parametric Acoustic Transducer Array and Test System
声学参量换能器阵及其测试系统设计
8.
Sound Power Level Measurement for Pipa-One of Chinese Traditional Instruments
中国传统民族乐器琵琶的声功率测试
9.
Design and Characteristics Test for Micro Tetrahedral Loudspeaker
微型正四面体扬声器研制及性能测试
10.
The research on the testing technology of ultrasonic sensors
用单片微机测试超声波传感器的性能
11.
Data communication for high temperature test system of acoustic wave transducer
声波换能器高温测试系统的数据通讯
12.
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
13.
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
14.
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
15.
Research on Experimental Measurement Technique for Acoustic Performance of Ducts and Silencers
管道和消声器声学性能的试验测量技术研究
16.
Rotary MRF damper performance test system
回转式MRF阻尼器性能测试实验系统
17.
Test System of a Digital-controlled Four Channel Audio Processor Based on VI Technology
基于虚拟仪器数控四声道音频处理器测试系统
18.
Research on the Test for the Curve Line of the Coupled Ultrasonic-Resilience Concrete Strength Checking (CURCOSC) Method in Kai Feng;
开封地区超声回弹综合测强专用曲线试验研究