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eol_百度百科 ... Electromagnetic Wave 电磁波 Electromechanical Device 机电装置 Electromechanical Printer 机电印字机 ...
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"长度单位_馆档网 ... "电磁波"," electromagnetic wave" "电气机械装置"," electromechanical device" "电位计"," electrometer" ...
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dsp马... ... 电枢控制直流马达的特点之㆒是磁通( flux ) 量测后再回授 控制。转速计也是㆒个机电元件( electromechanical devic…