the electrode that is the source of electrons in a cathode-ray tube or electron microscope; consists of a cathode that emits a stream of electrons and the electrostatic or electromagnetic apparatus that focuses it
electron gun的用法和样例:
例句
This paper introduces the idea of multi Electron Gun Matix Technology that can make CRT thinner. 本文粗略地介绍了采用多电子枪阵列技术使显像管薄形化的方案。
We make an electron gun which consists of a tungsten wire heated by an electric current. 我们制造了一把电子枪,它包括一根用电流加热的钨丝。