1) anti sound noise reduction
反声降噪
1.
An applied study of anti sound noise reduction by means of bypass is made with the impeller machinery (a fan) used as the source of pneumatic noise.
作者以叶轮机械 (鼓风机 )为气动噪声源 ,采用旁通管反声降噪方法 ,对其进行了试验研究 ,在管道参数未优化的现场试验条件下 ,得到 6— 1 1 d B( A)的降噪效果 ,表明这种方法有广泛的工程应用前景 。
2) sound absorption and noise reduction
吸声降噪
1.
The article presents the concept,process,strongpoint,performance and development & research status of ceramic foam abroad and at home,mainly describing the application of ceramic foam in wastewater treatment,exhaust gas treatment and sound absorption and noise reduction.
本文介绍了泡沫陶瓷的概念、制备方法、优点、性能以及目前国内外的研究发展状况,重点讲述了泡沫陶瓷在废水处理、废气处理、吸声降噪领域的应用,并对泡沫陶瓷在环境中的应用前景和发展趋势作了预测。
4) noise reduction
噪声降低
1.
The effects of noise on chaotic time series analysis were introduced and the previous studies associated with the noise reduction in chaotic time series data were reviewed as well.
介绍了噪声对混沌时序分析的影响，回顾了混沌时序噪声降低方法的研究情况。
5) sound insulation and noise reducing
隔声降噪
6) Noise reduction
声音降噪
补充资料：蝇声蛙噪
1.苍蝇﹑青蛙无休止地叫。比喻低劣的﹑无病呻吟的诗文。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条