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单词 sonar signal
释义
sonar signal
The transmitter may be triggered by a coded sonar signal from the surface or a timer.
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Sonar signals used by underwater sensors reflect off the surface of the water rather than reaching the air.
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Sonar signals of the sea lion.
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Two of the main questions with regard to bottle-nose navigation were whether bottlenose dolphins produce sounds serving as sonar signals and whether they decode the echoes bouncing back.
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更新时间:2024/12/22 23:37:29