冲击波形成了一个由压缩气体分子构成的圆锥体，它朝四面八方向外和向后移动，一直延伸到地面。
The shock wave forms a cone of pressurized air molecules which move outward and rearward in all directions and extend to the ground.
一种可能的解释是顶层的岩石是陨石撞击的冲击波形成的。
One possibility is that the top layer of rock was shattered by the shockwaves from an impact.
本文分析了含水炮孔爆破时，水中爆炸冲击波形成和传播的规律以及对孔壁的冲击作用。
This article analyses that when an explosion happens in a hole filled with water, how the shock wave is produced and how it transmits and what shock it gives to the wall of the hole.
结果表明：除了非线性强度、吸收外，衍射是另一个影响非线性超声束冲击波形成的重要因素。
The results reveal that besides the nonlinearity and absorption, the diffraction is another important factor that affects the shock formation of an ultrasound beam.
通过用频域方法数值求解KZK方程； 以活塞声场为例，研究了非线性超声束的冲击波形成规律。
The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.
通过用频域方法数值求解KZK方程； 以活塞声场为例，研究了非线性超声束的冲击波形成规律。
The shock formation in a nonlinear ultrasound beam by solving KZK equation using frequency-domain numerical method is investigated.
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