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1·The P wave, or compressional wave, alternately compresses and expands material in the same direction it is traveling.

波，或称压缩波，在其传播过程中在同一方向交替压缩和拉伸介质（见上图）。

2·For clean sandstone, the acoustic dispersion of compressional wave exists obviously when its porosity is more than 28%.

对纯砂岩，当孔隙度大于28%时存在明显纵波声频散。

3·Three component data acquisition with compressional wave source was applied to YC area for predicting fracture reservoir characters.

为了探测yc地区裂隙型储层特征，在该区进行了纵波源三分量数据采集。

4·Creeping wave is a type of compressional wave, which propagates below the surface and is sensitive to surface and near-surface defects.

爬波是一种在材料的表面下传播的压缩波，对表面和近表面缺陷非常敏感。

5·The thermal wave and the viscous wave as well as the compressional wave are considered in the multiple scattering process among suspended particles.

文中对悬浮粒子间多次散射作用不再限于胀缩波，而且也包括了热波和粘滞波。

6·With the use of reciprocal principle in seismic wave propagation, the algorithm may be used to compute the travel times of reflected compressional wave or converted shear wave.

利用地震波传播的互换原理，将算法推广到用于计算反射纵波和反射转换横波的旅行时。

7·By comparison with other logging data, the amplitude of Stoneley wave and the ratio of Stoneley wave amplitude to compressional wave amplitude are related to formation permeability.

将它们与其它测井资料对比，发现斯通·利波的幅度及其与纵波幅度的比值与地层的渗透性有关。

8·And the velocity of slow compressional-wave (P-wave) is in direct proportion to the porosity and the density of fluid.

而慢纵波的速度则和孔隙度和流体的密度成正比。

9·According to the variational principle for wave propagation, the elastic wave equation and the compressional and shear wave equations in a vertically inhomogeneous medium are developed.

本文由波传播问题的变分原理导出了垂向不均匀介质中的弹性波波动方程及纵波和横波波动方程。

10·The Stacking velocities for both compressional and shear wave reflection data was used to estimate the approximate location of the conversion points of the P-SVwave exploration in this paper.

本文利用纵波和横波的迭加速度资料来计算p - SV波勘探中转换点的近似位置。