名詞 magnetron:

1. a diode vacuum tube in which the flow of electrons from a central cathode to a cylindrical anode is controlled by crossed magnetic and electric fields; used mainly in microwave oscillators

mag.ne.tron

n.（名詞）
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.
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

來源：
magne(t)
magne(t)
-tron
-tron