单词	Loran
释义	Loran /ˈlɔːran / /ˈlɒran/ noun [mass noun] A system of long-distance navigation in which position is determined from the intervals between signal pulses received from widely spaced radio transmitters: he checked his bearings on the loran [as modifier]: a loran signal... Two wires from your GPS or Loran C navigation receiver carry a digital signal that precisely specifies your boat's position. No license is needed for an EPIRB, radar, Loran, GPS, depth finder or CB radio. But you know that Loran signals may drift a bit at dusk and dawn when a weather front approaches. Origin 1940s: from lo(ng-)ra(nge) n(avigation).
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