... absolute damping 绝对衰减; 绝对阻尼 acoustic damping 声衰减; 声阻尼 acoustical damping 声阻尼 ...
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... acoustical anemometer 声学风速表 acoustical atteuation 声衰减 acoustical backing 隔音填料 ...
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回声衰减 echo attenuation
宽带超声衰减 BUA
超声衰减 BUA ; ultrasonic attenuation ; Broadband Ultrasound Attenuation ; ultrasound attenuation
噪声衰减 [电子] noise attenuation ; noise degeneration ; Noise reduction
声衰减常数 acoustic attenuation constant ; AAB ; AAC ; AAB Acoustic Attenuation Constant
声衰减系数 attenuation coefficient ; acoustic attenuation coefficient ; soundattenuationfactor ; sound attenuation coefficient
噪声衰减器 [电子] noise muffler
噪声衰减量 noise attenuation
漏出声衰减 leak out acoustic attenuation
It make use of technology of digit deal and ultrasonic transit and attenuation to get rid of disturbance of noises. With a high accurate method of automatic transittime is less than Ins.
该仪器用声时，声衰减及数字处理技术联合去除绕管道传播及其它干扰的声波，并采用了一种高精度声时测量方法，以提高流量测量精度。
参考来源 - 微机化的超声波气体流量在线检测仪·2,447,543篇论文数据，部分数据来源于NoteExpress
本文引入两个与声衰减有关的介质参量，定义了声传播系数；
Two new medium parameters related to acoustic attenuation are introduced and an acoustic propagation coefficient is defined.
海洋声速、声衰减、温度、盐度、悬浮物等都是海水的重要参数。
Ocean sound speed, attenuation, suspended sand size and so on are all important ocean parameters.
悬浮液的声衰减分为三种主要类型：吸收衰减、散射衰减和扩散衰减。
The acoustic attenuation of suspending liquid is divided three kinds as absorption attenuation and scattering attenuation and diffusion attenuation.
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