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Explosives and Explosive Ordnance Disposal
containing
介 人
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English
人射波的介质声阻抗
平面波速度和人射波的介质密度的相乘,单位为 kg/(m² s)。声波或地震波在材料特性有变化的不连续面处将发生反射和透射
acoustic impedance of the medium of the incidence wave
间接
介人
indirect intervention
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