1.
It introduced designs of acoustic structure of high sound insulation testing room, and applications in the field of sound-absorption, which provide reference for the professional personnel engaging noise control and architectural acoustics.
介绍了高隔声测试室的声学结构设计及在吸声领域的应用，以供噪声控制和建筑声学专业人员参考。
2.
Influence of flanking transmission of filler wan in test opening on laboratory measurement of airborne sound insulation of building elements
实验室隔声测量中试件洞填隙墙传声影响的检验
3.
Applied intravenous adenosine infusion in congenital ventricular septal defect with severe pulmonary hypertension by Doppler echocardiography
超声检测腺苷急性血管扩张试验在先天性室间隔缺损合并重度肺动脉高压中的应用
4.
Tracking ability and channel separation test record
GB/T3320.2-1982循迹能力、声道分隔度测试唱片
5.
Design of Sound-proof Testing System Based on PCI-9114DG
基于PCI-9114DG的隔声测试系统设计
6.
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
7.
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
8.
Design of Measurement Analysis and Evaluate System for Indoor Tire Noise;
室内轮胎噪声测试分析评价系统的设计
9.
and by measuring the time interval between the taps and the receipt of the echoes,
测出回声间隔的时间，
10.
On the basis of acoustic theory and practical experience, expends the gist of design of room for noise determination.
依据声学理论和工程经验，阐明了噪声测试室的设计要点。
11.
The newspaper was read aloud in the next classroom.
隔壁教室里有人大声读报。
12.
open hole single packer test string
裸眼单封隔器测试管柱
13.
straddle-packer test
跨式双封隔器地层测试
14.
inflatable packer test string
胶囊封隔器测试管柱
15.
Research on the Sound Insulation Theory and Experiment Based on Noise of Motorcycle;
摩托车噪声屏蔽隔声理论与试验研究
16.
echo meter=echometer
回声测试器回声测深仪
17.
This paper, from the view of sound absorption treatment, control of background noise and reflected sound, ect, analyses the possibility and condition of the compatibility of internal combustion engine running room with the room for determining noise power.
从吸声处理、景噪声、射声控制等方面分析了内燃机试车室与噪声功率测试室兼容的可能性及条件。
18.
Development of Pantograph Noise Insulating Panels on FASTECH360S High Speed Testing Trains
FASTECH360S高速试验列车受电弓隔声板的开发