| 释义 |
电子枪diànzǐqiāng示波管、摄像管、电子束加工装置等器件中产生和聚焦电子束的电极系统,电子束的方向和强度可以控制,通常由热阴极、控制电极和若干加速阳极等组成。{electron gun; electron system in an oscillotron, camera tube, electron beam processing equipment, etc., that consists of a thermic cathode, a control electrode and several accelerating anodes, and produces and focuses an electron beam. The direction and intensity of the beam are controlled by electrodes in the gun.} |