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sonar

B2 noun

sonar /ˈsoʊ.nɑːɹ/ nghĩa là sóng âm định vị dưới nước

Các nghĩa

  1. sóng âm định vị dưới nước

    Artificial echolocation by use of electronic equipment, with hydrophones to locate objects underwater, using the same wave-analysis principles that radar uses.

    uncountable · usually

    They were able to detect the sunken wreck using sonar.

  2. thiết bị sonar

    A device that provides such echolocation.

    countable

    They finally bought a new sonar to replace the 40-year-old unit that sometimes didn't work right.

  3. định vị bằng tiếng vang

    Any echolocation.

    broadly · countable · uncountable

    Submarines and bats both use sonar to navigate.

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