漫散屏,柔光屏散射光线的介质,用在摄影中使背景柔和 A medium that scatters light, used in photography to soften shadows.
从一种介质向另一种介质拷贝的复制数据或信息。 Duplicate data or information copied from one medium to another.
录音设备上的一种装置,它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。 On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.