This paper studied mathematical mould and vibration curve, it used vibration analysis and mathematics and physical method, and used sonic testing of axles, too.
本文利用振动分析理论和数学物理方法对音频检测轴类零件的数学模型和振型曲线进行研究。
Soil: investigation and testing - Auscultation of foundation elements - Part 1: sonic core test.
土壤：调查和试验。基本元素听诊法。第1部分：声芯试验。
Instead of the sonic nozzle, low supersonic nozzles have been utilized to solve the choking problem in transonic wind tunnel testing of high angle-of-attack and high blockage.
本文介绍用低超声速喷管代替声速喷管，解决了大迎角大堵塞度跨声速实验时的风洞壅塞问题。
It provided suefull data for hydrocarbon testing, well logging velocity calibration, sonic impedance inversion, and modelling and is significant for guiding oil-gas exploration of this area.
为油气碳氢检测，测井速度标定，声阻抗及演，模型正演等提供了有价值的数据。
The testing of transmission speed of sonic wave in the gas-liquid two-phase flow indicates that Wood formula can be used to calculate the transmission speed of sonic wave in the two-phase flow.
通过声波在气液两相流中传播速度试验证明，武德近似公式可以用来计算声波在该两相流中的传播速度。
Some commonly used measuring methods and controlling criteria of blasting-induced damage such as sonic wave testing and PPV safety criteria are presented, and some related problems are discussed.
讨论了声波测试法、P PV安全判据等几种常用爆破损伤确定方法与控制标准。
By using the sonic wave and the seismic wave, the foundation rock holding layer on-spot testing of TGP has been performed.
应用声波及地震波对三峡工程坝基建基岩体持力层进行现场检测。
Based on acoustics, one can study the testing depth of sonic logging.
从波动声学的角度讨论声波测井的探测深度问题。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
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