| 单词 | group flashing light |
| 释义 | > as lemmasgroup flashing light group flashing n. the repeated emission of a set group or pattern of flashes by a lighthouse or a light on a buoy; frequently attributive as group flashing light. ΘΚΠ the world > matter > light > light emitted in particular manner > [noun] > flash > action of flashing > of a lighthouse group flashing1871 1871 Freeman's Jrnl. (Dublin) 7 Aug. The group flashing gaslight has vastly greater power in penetrating fogs than the fixed light. 1891 A. G. Findlay Lighthouses of World Add. facing p. 32 Its [sc. electric light's] range, definition, and, where a distinctive character is employed as Group-Flashing, its unmistakable superiority to all other modes of Illumination, pronounce its excellence and pre-eminence. 1911 Encycl. Brit. XVI. 629/1 The 12 lens panels are arranged in groups of two, thus producing a group flashing light. 2012 D. House Seamanship Techniques (ed. 3) xiii. 442 (caption) Preferred channel to starboard, red with green stripe, and red light flashing 2 +1 (group flashing). < as lemmas |
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