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.
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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.
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