| 单词 | parallel sailing |
| 释义 | > as lemmasparallel sailing parallel sailing n. Nautical (now chiefly historical) sailing along a parallel of latitude, i.e. directly east or west. ΘΚΠ society > travel > travel by water > directing or managing a ship > [noun] > types of navigation great circle sailing1595 loxodromics1704 oblique sailing1704 orthodromics1704 right sailing1704 parallel sailing1705 orthodromy1706 plane sailing1749 composite sailing1850 loxodromy1855 radio navigation1926 hyperbolic navigation1945 satnav1970 hyperbolic system1972 1705 tr. G. Guillet de Saint-Georges Gentleman's Dict. iii, Parallel Sailing, sailing under a Parallel of Latitude. 1710 J. Harris Lexicon Technicum II Parallel Sailing, in Navigation, is sailing under a Parallel of Latitude. 1853 H. N. Robinson Treat. Surveying & Navigation 183 When a ship sails east or west, the distance sailed is called departure, and is reduced to longitude by the preceding proportion. This is called parallel sailing. 1998 Richmond (Va.) Times-Dispatch (Nexis) 15 Jan. (Health & Sci. section) e1 Navigators since Columbus practiced ‘parallel sailing’, steering along a constant latitude determined from the difference of a given body's declination at transit (usually the sun) and 90 degrees. < as lemmas |
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