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单词 radar beacon
释义
Radar Beacon
nnoun.communicationa device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position
Synset:racon
Hypernyms:electronic signal
Inherited Hypernyms:radar beaconelectronic signalsignalcommunicationabstractionentity
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更新时间:2024/9/20 5:58:13