| 单词 | cathode-ray tube |
| 释义 | > as lemmascathode-ray tube cathode-ray tube n. a vacuum tube in which cathode rays are projected upon a fluorescent screen. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > cathode-ray tube > [noun] cathode-ray tube1905 tube1905 1905 Varley & Murdoch in Electrician 16 June 335/1 (title) Some Applications of the Braun Cathode-Ray Tube. 1934 Discovery Apr. 106/1 The advances made in the use of short waves and the introduction of cathode-ray tubes have enabled us to transmit images on screens 3 or 4 feet square. 1957 S. W. Amos & D. C. Birkinshaw Television Engin. I. ix. 210 In the majority of television receivers the picture is produced on the face of a cathode-ray tube which is viewed directly or by reflection at a plane mirror. < as lemmas |
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