The liberation of electrons from a hot wire is called thermionic emission.
電子從熱燈絲逸出,叫做熱電子發射.
辭典例句
A high - resistance wire or ribbon forming the cathode in some thermionic tubes.
絲極在一些電子管中形成陰極的高電阻的金屬絲或金屬帶.
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Currently conventional thermionic cathode gun cannot satisfy people's requirement for high lightness and long gun.
傳統的熱陰極電子槍存在著工作溫度高、啟動慢等缺點.
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"thermionic cathode"