At low frequency, sonic wave has greater rate of attenuation.
在低频段, 声波有较大的衰减变化率。
APPLICATION OF SONIC WAVE DUST CLEANER IN HEAD END EP OF SINTERING MACHINE
声波清灰器在烧结机头电除尘器中的应用
Depth of investigation in sonic logging is studied based on wave acoustics.
从波动声学的角度讨论声波测井的探测深度问题。
Adit Sonic Wave Hole Seepage Test to Determine Rock Permeablity Coefficient
平硐声波孔渗水试验确定岩体渗透系数
A Method to Extract Phase Slowness of Dispersive Wave from Sonic Logging Data
一种提取声波测井频散波相慢度的方法
Application of sonic wave transmission method to engineering quality detection
声波透射法在工程质检中的应用
The sonic wave sending technique of early air cutting detecting is an advanced one.
声波气侵早期检测方法是一种先进的方法。
The sharp release of pressure, after the buildup by the shock wave, is heard as the sonic boom.
冲击波累积之后压力的瞬间释放, 就是人们听到的音爆。
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