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Merely the wave dispersion, the convergency of diffracted wave is, in most cases, incomplete.
但由于此两种方法的波散现象，存在绕射波收敛不完全等问题。
Seismic response in heterogeneous gas-bearing strata would be characterized by relatively well developed diffracted wave.
非均质性含气地层其波场响应中绕射波比较发育。
This paper presents a method for calculating travel time of diffracted wave from velocity model and for making diffraction migration.
本文提出一种按速度模型计算绕射波射线旅行时和进行绕射归位的方法。
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