| 释义 |
defocus-dash mode defocus-dash mode[dē¦fō·kəs ¦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. |