通过该系统测量爆震管中火焰传播速度的轴向分布，确定了爆燃到爆震的转捩距离。
This system was used to measure the flame propagation velocities along the tube, and furthermore to determine the DDT distance.
目前我国在评价爆震对边坡稳定性影响中，多是以振动速度来评价。
The vibration speed is generally used to appraise the influence of detonation on slope stability in our country.
采用局部蒸发器改善燃油蒸发后，爆震管都达到了爆震波的传播速度。
Besides, all detonation tubes reached the speed of detonation wave when the local evaporator was employed to improve the fuel evaporation.
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