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~ 1344: Abnormal sound source in the sonar
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~ 1346: Who is the master of the ocean?
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... ediately asked the voice sergeant to open the sqr-20 active-passive towed sonar system at the stern of the destroyer. This system can be used for a wide range of long-distance initial detection by changing the underwater drag track.
The active and passive towed sonar system is u-shaped after a certain trajectory adjustment, and is aligned with the direction of the abnormal sound source.
Sure enough, no jokes.
The active and passive sonars also monitored the abnormal voicepri ...
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