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单词	cathode-ray tube
释义	cathode-ray tube noun : a vacuum tube in which a beam of electrons is projected on a phosphor-coated screen to produce a luminous spot at a point on the screen determined by the effect on the electron beam of a variable magnetic field within the tube Example Sentences Recent Examples on the Web Douglas created a game of tic-tac-toe, which was also displayed on a cathode-ray tube, for the University of Cambridge EDSAC computer. Noah Wardrip-fruin, The Conversation, 29 Nov. 2021 Seven years later, Boris Rosing first transmitted silhouetted images of geometric shapes, using a cathode-ray tube receiver. Kevin Dayhoff, baltimoresun.com/maryland/carroll, 9 Oct. 2020 The idea of a big screen with a fixed connection will be as alien to the second half as landlines and cathode-ray tubes are to today’s youngsters. The Economist, 8 June 2019 When first built in 1965, the consoles had era-appropriate cathode-ray tube monitors. Matt Blitz, Popular Mechanics, 27 Nov. 2018 There is mercury in liquid-crystal display screens, lead in cathode-ray tubes, cadmium in semiconductors and batteries, and ozone layer-destroying chlorofluorocarbons in old refrigerators, for example. Peter Ford, The Christian Science Monitor, 9 July 2018 The console also offers three display choices: the original 4:3 aspect ratio of the games, a CRT filter that replicates the same blurry look of cathode-ray tube TVs, and a Pixel Perfect mode that makes the games look crisp and clean. Gregory Schmidt, New York Times, 27 Sep. 2017 See More Word History First Known Use 1905, in the meaning defined above Medical Definition cathode-ray tube noun : a vacuum tube in which a beam of electrons is projected on a fluorescent screen to produce a luminous spot
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