The calibration of DC supply noise tester;
直流电源噪声测试仪的校准
An analysis on the fan noise pollution in paper mill and its control;
纸厂风机噪声污染分析与控制方法
Transformer substation noise pollution assessment and its control;
变电站环境噪声评价与防治
One approach to reducing noise of automobile rear axle gear assembling;
一种降低汽车后桥装配中齿轮噪声的途径
Adopting the Nonsymmetrical Dents of Gear to Reduce the Abnormal Yawp of Gear Pump;
采用非对称齿形减小齿轮泵的异常噪声
Design of Software and Hardware Sound Sampling System for Pumping Station;
泵站噪声采集系统的软硬件设计
Design of Sound Acquisition and Analysis System for Hydraulic Pump Station;
一种液压泵站噪声采集和分析系统的设计
The Research of Testing Method for Hydraulic Shock Absorber Sound;
液力减振器噪声检测方法的研究