The results show that the deep substance may uprise in this area, so the distribution of P-wave velocity, Q value distribution and VP/VS distribution are closely related to seismicity in this area.
结果表明在该地区很可能存在深层物质上升，从而表现出地震活动与P波速度场、Q值分布和VP/VS分布的相关性。
When P wave incidents, The P-P wave and P-SV wave created from the same point are both functions of incidence angle, and of the media above and below the interface, Vp and Vs they are coupled.
在P波入射时，地下同一点产生的P P波和PSV波是入射角、界面两侧纵波阻抗和横波阻抗的函数，并且两者是耦合的。
The QP values as well as the velocities Vp of P wave in dry and saturated specimen of Xiaolangdi sandstone and Fangshan marble are studied as functions of axial stresses.
研究了单轴压缩下超声P波在干燥和饱水的小浪底砂岩和房山大理岩中的衰减和速度。
The QP values as well as the velocities Vp of P wave in dry and saturated specimen of Xiaolangdi sandstone and Fangshan marble are studied as functions of axial stresses.
研究了单轴压缩下超声P波在干燥和饱水的小浪底砂岩和房山大理岩中的衰减和速度。
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