The theory of elastic wave propagation in damaged media was studied.
对弹性波在损伤介质中的传播理论进行研究。
The dynamic test, based on the theory of elastic wave propagation, is much easier than the static test due to the light equipment, flexible methodology, and smaller expense.
基于波动理论的动力学测试方法设备轻便、实施灵活、成本较小，因此岩土体动力学参数的获得往往要容易得多。
Applying classical wave theory, a concept of equivalent elastic modulus on propagation speed modification of guided wave through "variable cross-section" of metal bar embeded layer was put forward.
运用波动的经典理论，提出了导波在金属杆嵌入层“变截面”传播时波速改变的“等效弹性模量”的概念。
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