... 电磁声学仪器 electromagnetic acoustical instrument; 电磁声源 thumper source; 电磁声子 polariton; ...
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其噪声源既有机械噪声、空气动力噪声，又有电磁噪声，比较广泛的分布在车间内。
The noises that can be divided into mechanical, aerodynamic and electromagnetic ones are widely distributed in different workshops.
声源激发的电磁波在频率与相位特征上不同于转换电磁波。
The electromagnetic wave radiated by the acoustic source is evidently different from the converted electromagnetic wave in frequency and phase.
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