| 单词 | raster |
| 释义 | raster /ras"teuhr/, n. 1. Television. a pattern of scanning lines covering the area upon which the image is projected in the cathode-ray tube of a television set. 2. Computers. a set of horizontal lines composed of individual pixels, used to form an image on a CRT or other screen. [1950-55; < G < L rastrum toothed hoe, rake, deriv. of radere to scratch, scrape] |
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