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.
