利用纵波和横波的衰减确定裂缝位置的一种声波测井方法。
An acoustic log that USES the attenuation of compressional and shear waves to locate fractures.
地震所引起的地面振动是一种复杂的运动，它是由纵波和横波共同作用的结果。
Caused by the earthquake ground vibration is a complex exercise, it is by the P-wave and S-wave interaction results.
文章还统计了纵波和横波、岩体波速和岩石波速的关系，可供选用指标时参考。
The relations between the longitudinal and transversal waves, the wave velocities of rock mass and rock were also described in it.
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