地震波法可明确测定不同介质中地震波的传播速度，因而可用在灌浆结构工程中的检测。
The seismic wave travels at different velocities in different media, therefore the seismic wave can be used to detect effects of grouting engineering.
地震波的输入，通过APDL语言编制的程序来完成，其中多点输入采用了大质量法来施加加速度。
The seismic wave is input by way of coherent-vibration input program and program compiled by APDL.
本文仅涉及地震波传播及爆破方法选择两个课题，研究表明：在这类课题中，利用动态光弹性法有其优越性。
This paper only involves selection of detonating methods and propagation of earthquake waves. The study shows the superiority of using dynamic photoelasticity in the research area.
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