弯曲的激波与壁面进一步作用后发生反射，由于波前气流速度不同，这种反射存在规则反射和马赫反射两种类型；
The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.
在影响地震波振幅的诸多因素中，除反射系数外，最主要的是波前扩散和吸收的影响。
Among various factors affecting the amplitude of seismic record, wavefront divergence and absorption are the key ones, except reflected coefficients.
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