| 单词 | nautical mile |
| 释义 | > as lemmasnautical mile nautical mile n. a unit used to measure distances at sea, (now) spec. (in full international nautical mile) a unit fixed in 1929 at exactly 1852 metres (approx. 6076 feet, 1.151 statute miles).In Britain the nautical mile was formerly fixed by the Admiralty at 6080 feet (approx. 1853 metres). ΘΚΠ the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > mile > nautical mile geometrical1597 maritime mile1632 geometric1670 nautical mile1730 knot1748 nautic mile1762 sea-mile1796 air mile1919 1730 J. Harris Treat. Navigation ii. 60 A Degree of a Great Circle upon the Superficies is divided into 60 Geographical or Nautical Miles. 1782 Philos. Trans. 1781 (Royal Soc.) 71 339 We had..been driven by the wind 38 nautical miles to the southward. 1834 Nat. Philos. (Libr. Useful Knowl.) III. Navigation ii. ii. 15 A geographical or nautical mile is 1/ 60 of a degree of a great circle of the earth. 1956 Electr. Communic. Mar. 3/1 Tacan is a system that provides both bearing and distance information on direct-reading instruments in an airplane within 200 nautical miles of a selected ground station. 1996 S. Gould Wildside 104 But you used the wrong scale. You used statute miles instead of nautical miles. < as lemmas |
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