The surrounding rock of roadway is a kind of complex geologic body showing the mechanics characteristic of elasticity, elasto-plastic, visco-plastic and so on.
巷道围岩是一种复杂地质体，表现出弹性、弹塑性、粘弹性、粘塑性等多种力学特性。
Prestack depth migration is an effective tool for complex geologic body imaging. The quality of its image depends mainly on the accuracy of velocity-depth model.
叠前深度偏移是复杂地质体成像的有力工具，其成像的质量主要取决于所用速度-深度模型的精度。
Prestack depth migration is an effective tool for complex geologic body imaging. The quality of its image depends mainly on the accuracy of velocity-depth model.
叠前深度偏移是复杂地质体成像的有力工具，其成像的质量主要取决于所用速度-深度模型的精度。
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