The paper presents an acoustical method to precisely measure the permeating volume of mercury forced into an oil bearing rock sample under high pressure.
采用声学方法精密测定汞被高压强压入储油岩样的渗入体积，对岩芯孔隙结构测定中的汞体积计量方法作了重要改进。
Precisely estimated time delay of acoustic wave signal is very important to implementing the most accurately measurement of temperature using acoustical method in the strong noise environment.
声波信号时延的准确估计是实现强噪声环境下声学法高精度测温的关键。
The acoustical wave equation is presented a serial spatial and time iterative equations and room acoustics field is simulated using finite difference time domain method.
时域有限差分法将声波基本方程表示为一个时间和空间的迭代方程组，实现对室内声场中低频段的模拟计算。
The acoustical radiosity method, which assumes diffusely reflecting boundaries, has recently been developed to predict the sound fields in single-volume rooms.
基于界面扩散反射的声辐射度模拟方法在单一空间中已得到有效的应用。
This paper discuss the method of acoustical warfare. Analytic basic form of Simulation model of commonwealth acoustical node and point out specially characterist of model.
本文探讨了基于湖上环境的水声对抗仿真建模方法，分析了联邦声节点特性及其仿真模型的基本构成，指出了其独有的建模特点。
A theoretical method to solve acoustical radiation modes and acoustical radiation efficiency of complex structure by a boundary element method and acoustical radiation theory is posed in this paper.
提出一种用边界元方法与声辐射理论求解复杂结构的声辐射模态与声辐射效率的理论方法。
Some interesting results are obtained about the noise of a vehicle, which show acoustical holography is an effective method for noise source identification and have obvious advantages in some aspects.
利用声全息分析方法对一辆汽车进行了噪声分析。结果显示声全息方法也是一种有效的噪声源识别手段，在一些方面还有较大的优越性。
In the oil - well monitoring system, the data transmission method using acoustical waves as carrier waves via the wall of oil pipeline can bring cost savings and reliability.
在油井监测系统中，以油管管壁作为信道的声波通信方法可以降低成本和提高可靠性。
This paper presents the acoustical holography method which can be used to identify noise source on a moving vehicle.
本文提出利用声全息原理，对运动状态下的汽车噪声源进行识别的方法。
Study on high frequency acoustical performance of a ventilation and sound insulation window using transfer matrix method;
首次利用整体传递矩阵法对机床主轴双转子耦合系统的动力特性进行了详细研究。
Study on high frequency acoustical performance of a ventilation and sound insulation window using transfer matrix method;
首次利用整体传递矩阵法对机床主轴双转子耦合系统的动力特性进行了详细研究。
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