1.
The Technology of Reducing Noise for Underground Engineering Ventilation Systems
地下工程通风系统消声降噪技术应用研究
2.
Analysis and study on diesel engine noise and noise suppressor
消音器降噪与发动机噪声的分析与研究
3.
Noise Reduction Research and Development of the Exhaust Muffler for Motorcycle
摩托车消声器系统的降噪研究与开发
4.
Special noise elimination setting restrain machinery noise.
*特殊设计的专用降噪消声装置的采用，极大的抑制了机械噪声。
5.
Study on the Noise Attenuation Effect and Flow Dynamic Characteristics of Water Silencers;
水消声器降噪效果及流场动态特性研究
6.
noise-killing battery
消杂音电池，消噪声电池
7.
sound attenuation
消声器（噪声衰减装置）
8.
STUDY ON REDUCTION OF NOISE OF THE REAR DIESEL ENGINE BUS(Ⅱ )──A NOISE RSDUCING ANALYSIS OF THE EXHAUST MUFFLER BY BOUNDARY ELEMENT METHOD
后置柴油机客车的降噪研究（Ⅱ）──用边界元法进行排气消声器降噪计算
9.
A trademark used for an electronic device that eliminates noise from recorded sound and audio signals.
道尔贝降噪系统一种能从录音或声音信号中消除噪音的电子装置的商标名
10.
silencer(sound deadener)
噪音消声器（隔音材料）
11.
Pass-by Noise Analysis and Decline Noise Measure of BJ6112 City Bus;
BJ6112型客车车外噪声分析及降噪措施
12.
The Origin of Noises from Vehicle Transmissions and the Measures how to Lower Them
汽车变速器总成的噪声源及降噪措施
13.
Low Noise Design and Noise Reduction Research of JS6128H Coach Inside
JS6128H型客车车内低噪声设计与降噪研究
14.
Adaptive echo cancellation and noise reduction algorithm
一种自适应回声抵消和噪声消除算法
15.
Countermeasures of Noise Reduction for Shinkansen Electric-Current Collecting System and Lower Parts of Cars
降低新干线集电系统噪声和车辆下部噪声对策
16.
Noise Reduction for Sound Barrier in Railway Passenger Dedicated Lines
铁路客运专线吸声式声屏障降噪研究
17.
Noise Analysis and Studying of Adaptive Noise Cancellation in Pipeline Detecting System;
管道检测系统噪声分析与自适应噪声抵消研究
18.
A Wideband Low Noise Amplifier Using Noise-Canceling Technique
一种基于噪声抵消技术的宽带低噪声放大器