文中介绍了动光弹模型试验设计参数，通过对试验中条纹级数与比例距离曲线的对比分析，得出了合理的孔底空腔能有效地降低爆炸峰值压力和有利于保护建基面的结论。

In the paper, the design parameter of the dynamic photo-elasticity test model was described. In the test, the stress diffusion was explored and recorded really-time. According to the data from …

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