cathode emitter meaning in English

热电子发射体
阴极发射体

Study shows finishing initial design of gun we can optimize the beam performance by adjusting magnetic field distribution , gun geometry , cathode magnetic field , magnetic field compression ratio , anode voltage , cathode emitter temperature and so forth
研究表明,完成电子枪的初始设计后,可以通过调整磁场分布、电子枪结构、阴极磁场、阳极电压等因素,优化电子注的性能。