释义 |
cathode-ray tubes短语⁹⁶⁶⁷⁷⁺⁶ 基本英英例句 阴极射线管原型cathode-raytube的复数 名词 cathode-ray tube: a vacuum tube in which a hot cathode emits a beam of electrons that pass through a high voltage anode and are focused or deflected before hitting a phosphorescent screen The radiations emitted from75 cathode-ray tubes CRT of color- televisionsand30 Video- Display Terminals VDT of personal- computers were measured. 本文介绍了对不同牌号、不同规格的75台彩色电视机和30台计算机视屏周围辐射水平的测量结果。 cnki |