With the requirment of precise seismic interpretation and thoroughgoing exploration, the conventional post-stack migration reveals its limitations.
随着勘探和开发对地震资料处理成果的要求越来越高，常规叠后时间偏移处理技术的缺陷日益显现出来。
In recent years, people have developed several migration techniques which don't use common-shot records in order to improve computational efficiency for pre-stack migration.
近些年出现了旨在提高叠前偏移计算效率的多种非共炮记录的偏移方法。
This paper has made some searching in Complex structure fine pre-stack processing and pre-stack migration imaging, and has achieved some results.
本文就这两个问题，在复杂构造叠前精细处理、复杂构造叠前偏移成像等方面开展了一些探索，取得了一定的效果。
This paper has made some searching in Complex structure fine pre-stack processing and pre-stack migration imaging, and has achieved some results.
本文就这两个问题，在复杂构造叠前精细处理、复杂构造叠前偏移成像等方面开展了一些探索，取得了一定的效果。
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