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loran 音标拼音: [l'ɔr ,æn] n. 远距离无线电导航系统 远距离无线电导航系统 Loran \ Lor" an\ ( l[^ o] r"[ a^] n or l[= o] r"[ a^] n), n. [ Acronym, from LOng RAnge Navigation] ( Naut., aviation) A system of electronic navigation in which a vessel or aircraft determines its latitude and longitude by measuring the time differences between low frequency radio transmissions from two stationary transmitters ( slaves) and a stationary master transmitter. Contrary to the name, Loran is a medium range system, usually effective for no more than a few hundred miles from shore. The first commercial system was called Loran A; the latest ( and final) development is Loran C. [ acronym] [ RDH] 42 Moby Thesaurus words for " loran": Gyrosin compass, RDF, VAR, astronavigation, automatic electronic navigation, celestial navigation, chronometer, coastwise navigation, compass, consolan, dead reckoning, direction finder, electronic navigation, fix, gyrocompass, gyroscopic compass, gyrostatic compass, inertial navigation system, line of position, magnetic compass, magnetic needle, navar, navigation, needle, omnidirectional range, omnirange, pilotage, plane sailing, point- to- point navigation, radar, radio beacon, radio compass, radio direction finder, radio navigation, sextant, shoran, sofar, sonar, tables, tacan, teleran, visual- aural range
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