After measuring the velocities of many fragments and the flying Angle, the coefficient of velocity attenuation can be calculated.
可以通过测量多个破片的飞行速度与飞行姿态角，推导出速度衰减系数。
It appears, however, that the "drag coefficient", CD, also depends on the velocity of the ball.
然而，阻力系数CD，也取决于球的速度。
The influence of rigidity coefficient of the foundation on the critical velocity is discussed in detail.
通过计算还得到了地基刚性系数对临界流速的影响规律。
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