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.
广播网由线路或微波中转站连接的电台或电视台网络 A chain of radio or television broadcasting stations linked by wire or microwave relay.
预先调节好微波炉 Preset a microwave oven.
在微波系统中,来自各处的分散的输入必须被汇集在一起,以形成一个综合的输入,然后由无线电发送和接收。 In microwave system the separate input from various sources must be brought together to give a composite input which is then transmitted and received by radio.