NASA表示，这一抛物线设计可以通过控制气流来减少冲击波的产生。
The parabola would control air flow in a way that would lessen the shockwave, NASA says.
就水和空气不偶合装药爆破冲击波的产生，及在炮孔内介质中的传播、反射和透射以及对周围岩石的作用过程都进行了详细的介绍。
It also introduce the causing of shock wave in the water and the gas, and its spread in blasting hole, as well as its reflection and transmission and effects of rock.
冲击波是在易挥发的化学品爆炸时产生的。
应用推荐