The sound quality of the appliance has become a significant component in the purchaser s overall subjective evaluation.
因此，传统A声级的实用性受到人们的怀疑，需要综合考虑人的生理、心理的影响，开展心理声学的研究，提出噪声质量的新的评价方式。
The Study of the Reduction for Noisy Sound of Knitting Machine by the Optimization for Revolving Speed
棉织机降低噪声的经济合理速度的研究
Design and Realization of an Adaptive Filter for Noise Suppression
降低噪声的自适应滤波器的设计与实现
Discusses the source of major noise of medical diagoustio X ray Camera, and gives some noise reducing methods and effects.
论述了医用X光摄像诊断系统的主要噪声来源，同时给出了一些降低噪声的方法及实际效果。
This paper presents the methods of reducing medium frequency generator noise.
本文给出降低中频发电机噪声的方法。
Reducing Diesel Engine Noise with Topology Optimization
应用拓扑优化技术降低柴油机的噪声
Application of Sika Cufadan Deck Coverings in Interior Noise Reduction
SIKA敷料在降低船舶舱室噪声上的应用
Noise of Tungsten Carbide Circular Saw Blades and Measures for Reducing Noise
硬质合金圆锯片的噪声及其降低措施
Methods for Reducing Noise of Power Supply in the Operational Amplifier
降低运放电路中电源噪声的方法探讨
Analysis on the measures to reduce the noise of cement concrete pavement
浅析降低水泥混凝土路面噪声的措施
The most direct method of noise control is the reduction of the noise at its source.
控制噪音最直接的方法就是在噪音源处降低噪声。
To Analyze the Causes for High Exit Gas Temperature of Pulverized Coal-Fired Boiler and Its Countermeasures;
隔声罩法在降低钢球磨煤机噪声中的应用
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
Discussion of Reducing the No-Load Loss and the Noise for Step-Laminated Core Transformer
“阶梯叠”铁心变压器降低空载损耗和噪声的探讨
The reduction of noise amorphous alloy core padmounted transformers
非晶合金铁心组合式变压器噪声的降低
Study on Reducing Interferometric Fiber Optic Sensor Background Noise Scheme;
降低干涉型光纤传感器本底噪声方案的研究
Application of Damping Substance in Reducing Gear-Transmission Noise;
阻尼材料在降低齿轮传动噪声中的应用
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
After the projects put into effect, the noise absolute value reduced by 20 decibels, and the noise rang decreased by 24%
项目实施后,噪声绝对值降低了20分贝,噪声幅度降低达24％。
