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Terms for subject Explosives and Explosive Ordnance Disposal containing 介 人 | all forms | in specified order only
ChineseEnglish
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