地震界面（seismic discontinuity）是指在地下介质中能使地震波发生反射或折射的界面，它们应是波阻抗分界面或速度分界面。
介绍了利用反射走时联合反演地震界面起伏形态和速度横向分布的方法。正问题采用了一种简单而有效的二维介质中两点射线追踪方法。
This paper describes a joint inversion method of the topography of seismic interfaces and lateral velocity distribution using travel times of reflections.
深部构造(M面和其它界面)的剧变带和中地壳柔层可力判别地震孕育的深部标志。
The steeply sloped Moho belts (and other interfaces) and mid-crustal soften layer could be considered as a deep structural mark for being pregnant with earthquakes.
反射界面及层速度是地震勘探中相当重要的地层参数。
Reflection interface and interval velocity are quite important stratigraphic parameters in seismic exploration.
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