熱陰極
拼音：rè yīn jí英文解釋：
【電】 hot cathode相關詞條：
1.hotcathode 2.heatedcathode 3.incandescentcathode漢語造句：
- 磁控管一種微波管，它裡面的發熱陰極發出的電子受到磁場和電場的影響，從而產生能用於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.