地震波反射振幅的变化受诸多因素的影响和控制。
The amplitude variation of reflection were influenced and controlled by many factors.
利用这种差异来进行缝洞检测，必须对缝洞岩层的地震波反射特征有一个全面的了解。
Therefore a thorough understanding of seismic reflectance signature of fracture cave stratum will facilitate to detect fractures and caves with the difference.
利用这种差异来进行缝洞检测，必须对缝洞岩层的地震波反射特征有一个全面的了解。
The difference in amplitude and energy of seismic wave between fracture cave zones and surrounding rock is an indicator of fractures and caves.
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