A method or system for detecting or locating underwater objects using sound, in which pulses of audible or higher-frequency sound are emitted, and…
| 单词 | θ130023 |
| 释义 | the mind > attention and judgement > discovery > instrument for detection > [noun] > system investigating sea, atmosphere, etc. (8) sonar1943 A method or system for detecting or locating underwater objects using sound, in which pulses of audible or higher-frequency sound are emitted, and… pinger1957 An underwater device that transmits pings at short intervals for purposes of detection, measurement, or identification; esp. a sonar transducer or… Subcategories:— device used in (4) — pulse emitted by (2) |
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