Kaomojis
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#sonar
#sound propagation
#acoustic wave
#sonar pulse
#underwater mapping
#pinging
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#signal wave
#radio wave
#sonar pulse
#radar pulse
#signal transmission
#frequency wave
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#signal
#broadcast
#wave
#radar
#transmission
#detection
#sonar pulse
#sonar #sound propagation #acoustic wave #sonar pulse #underwater mapping #pinging