英德
有道
百度
谷歌
图片
维基
百科
噪声试验
[环境] noise test
- 模型螺旋桨噪声试验中，唱音是影响噪声测试与数据分析的主要干扰，必须予以消除。
In the noise test of model propellers, singing is a major disturb which influences noise test and data analysis, and must be eliminated. - 正好适用于水动力噪声试验设备，其中背景噪声强，而且可以得到比较纯净的背景噪声作为参考噪声。
The method can be applied to the hydrodynamic noise testing facilities where there is stronger background noise and getting rather pure background noise as reference noise. - 通过对压缩机的部件进行动力学频谱分析，结合所做的台架振动、噪声试验、研究和探讨了压缩机的振动和噪声问题。
Research and discussion on the noise and vibration of the compressor is conducted through dynamic spectrum analysis of the compressor parts and noise and vibration test on the bench.
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