magnetic key磁动电键magneticadj.有磁性的；有吸引力的；催眠术的n.磁体，磁性物质magnetic-attachment磁性附着体magnetic scale factor幅度比例尺magnetic pump heating磁泵加热magnetic interference磁干扰magnetic tape library磁带库magnetic field vector磁场矢量magnetic film handler磁厝处理器magnetic ion exchange离子置换magnetic pinch effect磁箍缩效应magnetic tape testing磁带检测