| 单词 | long-persistence |
| 释义 | > as lemmaslong-persistence long-persistence adj. Electronics designating a screen of a cathode ray tube on which a spot remains luminous for a relatively long period after the electron beam has moved elsewhere. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [adjective] > type of screen long-persistence1934 1934 Trans. Amer. Inst. Electr. Engineers 53 1612/1 The trace on a long persistence screen may be seen for several seconds when viewed in subdued light. 1966 D. G. Brandon Mod. Techniques Metallogr. v. 236 Visual observation of the image, even on a long-persistence screen, is very difficult at small probe diameters. 2004 J. Briggs Target Detection Marine Radar (2009) iii. 130 Long-persistence phosphors are available in few colours; many displays use green or orange. < as lemmas |
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