在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。 In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
磁控管一种微波管,它里面的发热阴极发出的电子受到磁场和电场的影响,从而产生能用于雷达和微波炉微波辐射 A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.
显像管阴极射线管的玻璃前端,图象显示在其面 The glass front of a cathode-ray tube upon which the image is displayed.
电子二极管有一个阳极和一个阴极的电子管 An electron tube having a cathode and an anode.