1. 在陰極射線管顯示器中，用電子束激勵后熒光物質(zhì)光發(fā)射的持續(xù)現(xiàn)象。
   In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam.
2. 磁控管一種微波管，它里面的發(fā)熱陰極發(fā)出的電子受到磁場和電場的影響，從而產(chǎn)生能用于雷達和微波爐微波輻射
   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.
3. 顯像管陰極射線管的玻璃前端，圖象顯示在其面
   The glass front of a cathode-ray tube upon which the image is displayed.
4. 電子二極管有一個陽極和一個陰極的電子管
   An electron tube having a cathode and an anode.

陰的英語翻譯：

極的英語翻譯：