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- Prediction of TL of a simple expansion chamber demonstrates that the effect of thermo-viscosity improves the sound attenuation somewhat at the pass frequencies. 对于简单膨胀腔,传递损失的预测结果表明,热粘性效应使通过频率处的声衰减有所改善。
- Objective To observe the sound attenuation effect of several kinds of hearing protectors (earplugs and earmuffs) in an infrasound generator sound field. 目的观察几种护耳器(耳塞、耳罩)对次声发生器次声场的隔声效果。
- Miami International Airport Sound Attenuation Wall 迈阿密国际机场消音墙
- sound attenuation and vibration isolation 消声隔振
- Sound attenuation (sound-absord) 声衰减(声吸收)
- Guangzhou Fu Cheng Sound Attenuation Manufacturing Company 广州市富诚汽车消声器制造有限公司
- THE UNDERWATER SOUND ATTENUATION OF GRADIENT POLYMER SOLUTIONS 梯度高分子溶液的声衰减
- It is resultful to apply the sound attenuated enclosure to controlling undesired sound. 摘要静音箱在噪声控制中有良好的降噪效果。
- It is resultful to apply the sound attenuated enclosure to controlling undesirecd sound. 静音箱在噪声控制中有良好的降噪效果。
- Car park jet fan ,type Car park supply fans with necessary accessories such as sound attenuators, motorized dampers, VFD.Starters and required frame work for fan mounting. 抽气风机,型号 停车场喷气式风机,型号 停车场供风风机,带有必要附件,如消声器,机动阻尼器,真空荧光管显示器,起动器和要求的风机安装框架,等等。
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- Sound attenuation in marine sediment of the unfloccalation and flocculation 非絮凝状沉积物与絮凝状沉积物中的声衰减
- SOUND ATTENUATION MEASUREMENT OF THE SIMULATED WATER OF THE YELLOW RIVER 模拟黄河水的声衰减测量
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- Keywords infrasound;hearing protector;earplug;earmuff;sound attenuation value; 次声;护耳器;耳塞;耳罩;声衰减值;
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
- I caught a curious sound in the neighboring room. 我听到隔壁房间里有奇怪的响声。
- I was awakened by the sound of church bells. 我被教堂的钟声吵醒。
- The sound of danger gives wings to his flight. 危险的信号加速了他的逃跑。
- I quivered with fear at the sound. 我听见那种声音就吓得发抖。