研究表明，刚性材料比柔性材料具有更好的隔振效果，在隔振设计时应选择刚性屏障材料；
The results show that rigid material has a better effect than flexible one in isolating vibration, so the former should be selected as barrier material in engineering.
通过轴承部位的隔振以及箱体采用高阻尼合金材料，齿轮箱的振动与噪声有了明显下降。
The vibration and noise level declined obviously through the isolation around the bearing as well as the adoption of damping alloy as the material of the gearbox body.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
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