An electronic navigational device in an aircraft or ship.
单词 | θ205972 |
释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] (210) navaid1956 An electronic navigational device in an aircraft or ship. Subcategories:— bit of magnetized steel as direction indicator (11) — compass (67) — dial on vertical place facing cardinal point (2) — board or scale on which course is indicated (3) — other instruments indicating course or leeway (3) — instrument for finding position variation (1) — marine forms of astrolabe (2) — cross-staff (11) — quadrant, sextant, etc. (13) — device to serve as artificial horizon (1) — instrument for measuring meridional difference (1) — device for finding north from sun (1) — nautical almanac or ephemeris (2) — tables (5) — ruler used in calculations (2) — device for spherical calculations (2) — watch used in taking observations (2) — chronometer (2) — device to ascertain ship's speed through water (16) — sounding-line or -rod (23) — depth-finder (7) — device to warn of shoaling water (1) — other nautical instruments (6) — chart (16) — map of world (1) — pilot book (8) |
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