Because of the exciting action by the vibrating machine and the influence of wave propagation, broken ores will generate excited response when ores are mucked out by vibration.
振动出矿时，由于振动机的激励作用和波动传播的影响，碎岩便会产生激励响应，这种激励响应可以改变散体的动力特性和流动特征。
In the paper, the travel law of seismic wave which is excited by explosive shock, and the relation between the vibration signal of ground and electric signal recorded by instruments are discussed.
讨论了爆破地震产生的地震波传播规律，以及地振动信号和仪器记录的电信号之间的关系。
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