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单词 ship-tended acoustic relay
释义 ship-tended acoustic relay
[`ship ¦ten·dǝd ǝ`küs·tik `rē´lā]
NAVIGATION
An acoustic navigation system that employs ocean bottom transponders and determines the distance of the ship from these transponders by measuring the time required for a signal broadcast by an acoustic transducer below the hull of the ship to travel to the transponder, be rebroadcast there, and travel back to the ship. Abbreviated STAR.
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