本文介绍了基于广角隐式有限差分单程波传播算子的起伏地表叠前深度偏移方法，并对SEG山前带推覆构造模型进行了检验。
The paper introduced the prestack depth migration from relief surface based on implicit wide-angle finite-difference one-way propagation operator and used SEG piedmont nappe structure model for test.
野外判定岩浆岩地区逆冲推覆构造的主要标志是逆冲叠瓦扇和软弱滑动层的存在。
The imbricate fan of thrusts and soft layer are main structure features distinguishing thrust-nappe structure in magma-tic body area.
北秦岭为一复杂构造带，形成向北反转的叠瓦状逆冲推覆构造。
The north Qinling is a complicated structural zone, forming an imbricated thrust napped structure overturning northward.
应用推荐