Sandbody was the main pathway of oil and gas lateral migration.
砂体是油气侧向运移的主要通道，断层起转向、汇聚和沟通作用。
Fault and unconformity are the most important paths for vertical and lateral migration.
断裂和不整合面是天然气长距离垂向、横向运移的重要通道。
Unconformity is transforming channel for lateral migration of gas, and provides accumulation place for gas.
不整合面是天然气侧向运移的输导通道，且为天然气的聚集提供了场所。
It can also accept continental hydrocarbon lateral migration southward from the Kuche Depression on the north.
它也能接受北面库车坳陷向南侧向运移的陆相油气。
So that it can be used as an indication of natural gas migration to determine lateral migration distance and direction.
因此，它可作为气运移的指标，判断横向运移的距离和方向。
The lateral migration of the free thermal convection elements permits the asymmetric basin to be developed in the study area.
自由对流单元的侧向迁移，使盆地形成非对称性。
The 3D model can not only simulate the longitudinal bed deformation, but also calculate the lateral migration in alluvial rivers.
模型不仅能模拟出河道的垂向冲淤过程，而且还可模拟出由河岸坍塌所引起的河道横向摆动过程。
Lateral displacement of tectonic activities resulted in the migration of fans.
在平面上由于构造活动的位移，导致了扇体的迁移。
Wave equation time migration fails to image subsurface geological structure correctly in the case of obvious lateral seismic velocity variation.
当介质的速度在横向上存在较大的变化时，波动方程时间偏移不能使地下的构造正确成像。
Prestack depth migration is an ideal technique for seismic data imaging in the regions with complex structural conditions and severely changeable lateral velocities.
叠前深度偏移技术是解决复杂构造和速度横向变化剧烈地区的地震资料成像问题的理想技术。
The fractures are comparatively developed in Haian depression. They formed and were active in varied periods, controlling the trap of structures, the lateral and longitudinal migration of oil-gas.
海安凹陷断裂较发育，断裂形成、活动的时期不同，对构造圈闭、油气侧向及纵向上运移起控制作用。
Faults are vertical pathways and lateral pluggings for migration of oil and gas;
断层是油气运移的纵向通道和横向封堵面，油藏类型以构造油藏为主。
Knowledge of lateral variations in stratigraphic units and structures is useful in constructing groundwater flow models, which aid in identifying possible pollution migration pathways.
地层单元和结构的横向变化数据在地下水流动模型的建立方面非常有用，模型的建立可以帮助确定污染物迁移的可能途径。
Prestack migration of common shot records is very sensitive to the velocity input, and demands a kind of continuation formula which can adapt to both vertical and lateral velocity variations.
共炮记录叠前偏移对输入的速度非常敏感，要求偏移中所使用的延拓公式能较为精确地适应速度的纵横向变化。
Disc fragment migration mostly occurs in cranial, caudal or lateral direction but seldom posterior.
椎间盘碎片的移位多向颅侧、尾侧或外侧移位，但很少向后部移位。
Disc fragment migration mostly occurs in cranial, caudal or lateral direction but seldom posterior.
椎间盘碎片的移位多向颅侧、尾侧或外侧移位，但很少向后部移位。
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