单词 | defocus-dash mode |
释义 | defocus-dash mode [dē¦fō·kǝs ¦dash ´mōd] ELECTRONICS A mode of cathode-ray tube storage of binary digits in which the writing beam is initially defocused so as to excite a small circular area on the screen; for one kind of binary digit it remains defocused, and for the other kind it is suddenly focused to a concentric dot and drawn out into a dash. |
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