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... 耐酸 纸acid proof paper,acid resistant paper 隔音 纸acoustic paper 溴化银印相 纸actinometer paper ...
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acoustic c paper 隔音纸
With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .
冲孔天花板背面加入隔音纸或者隔音棉,有助于增加整个密闭空间的总吸收量,降低噪音给我们带来的影响。
The contents in the paper include acoustic image preprocessing, feature extraction of texture and shape, and classifier design.
内容涉及声图像的预处理、纹理和形状特征的提取,以及分类器的设计等。
Thirdly, the paper has discussed the generation mechanism, acoustic model and the simulation model of the road noise on the basis of the tire pattern noise, and carried out the simulation analysis.
再次,在对轮胎花纹噪声研究的基础上,探讨了道路噪声的发声机理、 发声模型及其仿真模型,并进行了仿真实验分析。
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