| 单词 | navigation instrument |
| 释义 | > as lemmasnavigation instrument navigation instrument n. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > controls and instruments > [noun] > navigational instrument navigation instrument1897 pipsqueak1943 black box1945 navaid1956 1897 Science 27 Aug. 319 An exhibition of navigation instruments was opened in London on August 5th. 1959 F. D. Adams Aeronaut. Dict. 117/1 Navigation instrument, an aircraft instrument that indicates, or that is used to ascertain, information relating to the position of an aircraft in flight, or to the direction in which it is flying. 1990 Yachting Feb. 34/2 In areas with strong signals, a reliable loran, especially one with a remote display for the helmsman, can be an ideal navigation and piloting instrument. < as lemmas |
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