英语词汇“cathode-ray tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

cath•ode-ray tube n. [countable]

Electronicsa device to display images on a television receiver or computer monitor.

cath′ode-ray tube′

Electronicsa vacuum tube generating a focused beam of electrons that can be deflected by electric fields, magnetic fields, or both. The terminus of the beam is visible as a spot or line of luminescence caused by its impinging on a sensitized screen at one end of the tube. Cathode-ray tubes are used to study the shapes of electric waves, to reproduce images in television receivers, to display alphanumeric and graphical information on computer monitors, as an indicator in radar sets, etc. Abbr.: CRT

1900–05

cathode-ray tube n

a valve in which a beam of high-energy electrons is focused onto a fluorescent screen to give a visible spot of light. The device, with appropriate deflection equipment, is used in television receivers, visual display units, oscilloscopes, etc

单词	cathode-ray tube
释义	WordReference Random House Learner's Dictionary of American English © 2024 cath•ode-ray tube /ˈkæθoʊdˌreɪ ˌtub/USA pronunciation n. [countable] Electronicsa device to display images on a television receiver or computer monitor. WordReference Random House Unabridged Dictionary of American English © 2024 cath′ode-ray tube′ (kath′ōd rā′),USA pronunciation Electronicsa vacuum tube generating a focused beam of electrons that can be deflected by electric fields, magnetic fields, or both. The terminus of the beam is visible as a spot or line of luminescence caused by its impinging on a sensitized screen at one end of the tube. Cathode-ray tubes are used to study the shapes of electric waves, to reproduce images in television receivers, to display alphanumeric and graphical information on computer monitors, as an indicator in radar sets, etc. Abbr.: CRT 1900–05 Collins Concise English Dictionary © HarperCollins Publishers:: cathode-ray tube n a valve in which a beam of high-energy electrons is focused onto a fluorescent screen to give a visible spot of light. The device, with appropriate deflection equipment, is used in television receivers, visual display units, oscilloscopes, etc
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