low velocity layer 低速带 ; 低速层
near-surface low-velocity layer 近地表低速层
base of low-velocity layer 低速层底部
low velocity layer in mid-crust 中地壳低速层的
the low velocity layer 地壳低速层
crustal low-velocity layer 壳内低速层
Many seismic profiles in South China have demonstrated that low-velocity layer generally exists in the middle crust.
华南沿海众多的地震测深剖面揭示出地壳不同深度上存在着壳内低速层。
Authors put forward an effective method which achieves long-wavelength static correction by deriving the low-velocity layer structure from refraction first breaks.
提出一种利用折射初至反演低速带的结构来进行长波长静校正的有效方法。
The dispersive characteristics of the Rayleigh waves propagated in the layered media are investigated experimentally by ultrasonic detection test, especially in the presence of a low-velocity layer.
通过超声实验研究了沿分层介质，特别是含有低速层的分层介质传播的瑞利波频散特征。
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