It is showed that a shock wave speed distribution in red light period at a plane intersection satisfies a normal assumption, as well as Poisson assumption.
依据实际测量数据，论证了平面交叉口绿灯转红灯时车流堵塞波的推进速度满足正态分布假设，其拟合优度高于泊松分布假设。
The bent shock wave is reflected at the wall. As the flow speed changes, two kinds of shock reflection have been observed.
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 results show gas flow and shock wave with higher speed can be formed induced by outburst;
研究结果表明，突出能在巷道空间内形成较高速度运动的冲击气流及冲击波；
The results show gas flow and shock wave with higher speed can be formed induced by outburst;
研究结果表明，突出能在巷道空间内形成较高速度运动的冲击气流及冲击波；
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