1.
measuring apparatus for measuring quantities of heat light or sound
测量热量、光量或声量或用测量仪
2.
beam-deflection ultrasonic flowmeter
声速偏转式超声流量计
3.
Measurement Technique of Noise Acoustic Intensity Based on Vector Hydrophone
基于矢量水听器的噪声声强测量技术
4.
Instruments for the measurement of sound intensity-measurement with pairs of pressure sensing microphones
GB/T17561-1998声强测量仪用声压传声器对测量
5.
Acoustics--Ultrasonic power measurement in the frequency range 0.5～10MHz
GB/T7966-1987声学0.5～10MHz频率范围内超声声功率的测量
6.
Measurement Analysis of Explosion Acoustic Source Level in Oceanographic Hydroacoustic Survey
海洋水声调查中爆炸声声源级的测量分析
7.
Error Analysis in Radiated Noise Measurement Due to Acoustic Focusing of Typical Sound Sources
典型声源声聚焦引起辐射噪声测量误差的分析
8.
Controls the volume level of recorded and play-back sounds.
控制录制声音和播放声音的音量。
9.
Measurement of sound pressure level for sound signal appliances by seagoing vessel
GB/T12303-1990海船声号器具的声压级测量
10.
Acoustics--Measurement procedure for silencers
GB/T4760-1995声学消声器测量方法
11.
Acoustics--Measurement of underwater sound transducers
GB/T7965-1987声学水声换能器测量
12.
noise equivalent
噪声的等值信号，噪声当量
13.
multi-path diagonal-beam ultrasonic flowmeter
多声道斜束式超声流量计
14.
Acoustics-Measurement of noise emitted by passenger cars under conditions representative of urban driving.
声学市区行驶条件下轿车噪声的测量.
15.
Animal Transmissive Window--Acoustic Measurement of the Melon of Lipotes Vexillifer
生物透声窗——白暨豚额隆声学特性测量
16.
Sound velocity and acoustic nonlinearity parameter B/A in medium composed by certain components
不同元系媒质的声速与非线性声参量
17.
The measurement of distribution of extericr wind noise of automobile by acoustic mirror
声学聚焦镜测量汽车车外风噪声分布
18.
Research of the Measurement of Sound′s Velocity in Liquid with Ultrasonic Diffraction Grating;
超声光栅衍射测量液体中声速的研究