transitive. Originally: to locate (an aircraft, etc.) by means of radar. Later more widely: to determine the position of (a person, animal…
单词 | θ130034 |
释义 | the mind > attention and judgement > discovery > instrument for detection > of instrument, etc.: detect [verb (transitive)] > locate or track (6) radiolocate1941 transitive. Originally: to locate (an aircraft, etc.) by means of radar. Later more widely: to determine the position of (a person, animal… echolocate1944 to lock on to ——1945 intransitive. Of equipment or its operator: to locate and then track automatically; to accept and then maintain as a target or reference object… radar-track1948 transitive to track by radar; also occasionally figurative. acquire1953 transitive. Of a sensory device or something containing one: to begin receiving signals from (a source); to locate (and track) (an object or signal… echo-sound1953 |
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