The liberation of electrons from a hot wire is called thermionic emission.
电子从热灯丝逸出,叫做热电子发射.
辞典例句
A high - resistance wire or ribbon forming the cathode in some thermionic tubes.
丝极在一些电子管中形成阴极的高电阻的金属丝或金属带.
互联网
Currently conventional thermionic cathode gun cannot satisfy people's requirement for high lightness and long gun.
传统的热阴极电子枪存在着工作温度高、启动慢等缺点.
互联网
"thermionic cathode"