1.
Acoustics--Measurement of insertion loss of ducted silencers without flow--Laboratory survey method
GB/T16405-1996声学管道消声器无气流状态下插入损失测量实验室简易法
2.
a pipe carrying fumes from the muffler to the rear of a car.
一种从消声器中运到汽车尾部的管道。
3.
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
4.
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
5.
Research on Active Noise Control in Ducts Based on DSP Processor
管道噪声主动消除系统算法研究及DSP实现
6.
A two-stage adaptive noise cancellation algorithm for ultrasonic nondestructive testing of oil pipeline is studied in this paper.
针对石油管道缺陷超声检测信号的噪声消除问题，研究了一种两级自适应噪声消除算法。
7.
a juicy Bit of gossip.
绘声绘色的小道消息
8.
Colored noise identification and its decreasing of spring flow attenuation in fissure-conduit media
裂隙-管道介质泉水流量衰减过程中的有色噪声辨识与消减
9.
The Contrast of Simple Expanded-muffler with Large Porosity Perforated Muffler
简单扩张式消声器与穿孔管消声器对比研究
10.
the alimentary canal of the human body.
人体内的消化管道。
11.
But now the reputation of this cul-de-sac in the human gut has been rehabilitated by a theory from a team of immunologists .
但现在，来自一组免疫学家的理论恢复了这一人体消化道内盲管的名声。
12.
a juicy Bit of gossip aBout sB
关于某人的有声有色的小道消息
13.
Identification of Active Noise Control Experimental System's Error Path;
有源消声实验系统的误差通道的辨识
14.
MIMO-OFDM channel estimation method based on adaptive noise canceller
基于自适应噪声抵消的MIMO-OFDM信道估计
15.
Producing Mechanism of Flow Noise Generation from Perforated Duct Muffler Element
穿孔管消声单元气流再生噪声产生机理
16.
Investigation on Noise Elimination Nozzle with Micro-Perforated Panel in Pulse Detonation Engine
脉冲爆震发动机微穿孔消声喷管研究
17.
I plant professional sound system automobile production products, including various types of noise on tailpipe and related products.
我厂专业生产汽车消声系统产品，包括各类消声器尾管及相关产品。
18.
Numerical analysis of the effect of structural parameters on the acoustic attenuation performance of straight-through perforated tube silencers
结构参数对直通穿孔管消声器消声性能影响的数值分析