| 单词 | prismatic compass |
| 释义 | > as lemmasprismatic compass prismatic compass n. a magnetic compass incorporating a prism so that an object and its bearing can be viewed simultaneously. ΘΚΠ the world > the earth > earth sciences > geography > map-making > surveying > [noun] > surveying instruments > for taking bearings prismatic compass1842 plain-compass1868 1842 Jrnl. Royal Geogr. Soc. 12 176 On leaving Cumaka I had only provided myself with a chronometer, a sextant, an artificial horizon, and prismatic compass. 1993 ‘A. McNab’ Bravo Two Zero (1994) iii. 57 The main elements in our belt kit would be..shell dressings, a knife, and a prismatic compass. < as lemmas |
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