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
微波管一种微波管，其中从加热的阴极产生的电子受到磁场和电场的影响，从而产生用于雷达和微波炉的微波辐射
以上为机器翻译结果，长、整句建议使用 人工翻译 。