| Gb | Eng |
|---|---|
| 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. |
| 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. |