Testing of underwater radiation noise of submarines using acoustic testing field is one of the important measures for improving the submarine's silence in some developed countries.
利用水声试验场对潜艇的水下辐射噪声进行测量和分析，是先进国家改善潜艇安静性的重要方法。
Acoustic tomography technique has a vast field for application in studying rock and soil mechanics and testing concrete quality.
声波层析成像技术在岩石力学研究、混凝土质量检测中有广阔的应用前景。
The acoustic field characteristics and related parameters determination of surface SH waves are outlined. The factors influence surface SH wave testing sensitivity are evaluated.
概述超声表面SH波的声场特性、声参数测定方法和检测灵敏度的影响因素及其评价。
This paper performs an acoustic parameters testing of 20 pieces of low porous and permeable rock sample of Well Fangshen 8 in Daqing Oil Field under the condition of fully saturated water and gas.
对大庆油田芳深8井20块低孔、低渗岩样，在完全饱和水和气的条件下进行声学参数测试。
This paper performs an acoustic parameters testing of 20 pieces of low porous and permeable rock sample of Well Fangshen 8 in Daqing Oil Field under the condition of fully saturated water and gas.
对大庆油田芳深8井20块低孔、低渗岩样，在完全饱和水和气的条件下进行声学参数测试。
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