electric beacon 中文是什么意思
发音:用"electric beacon"造句"electric beacon"怎么读
In navigation, an electric beacon is a kind of beacon, a device which marks a fixed location and allows direction finding equipment to find relative bearing, the direction to the beacon. The most common are radio beacons, which broadcast a radio signal which is picked up by radio direction finding systems on ships, aircraft and vehicles to determine the bearing to the beacon, but the term also covers infrared and sonar beacons.
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