sonar

大学 FREQ #12057

n. 声纳 [计] 声纳

发音

US /ˈsoʊ.nɑːɹ/
UK /ˈsəʊ.nɑː/

词形变化

sonars 复数 sonars

别名

SONAR

教材释义与例句

名词

声纳；声波定位仪（等于asdic）

释义与例句

n.
  1. 1.

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

    不可数 航海 交通 可数

    They were able to detect the sunken wreck using sonar.

  2. 2.

    A device that provides such echolocation.

    声纳

    可数 航海 交通 不可数

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

  3. 3.

    Any echolocation.

    可数 不可数

    Submarines and bats both use sonar to navigate.

词汇关系

名词

同义词 2

ASDIC echo sounder

上位词 1

measuring device

部分词 1

pinger

整体词 3

sub submarine pigboat

相关短语

Doppler sonar active sonar [电] 有效声纳

词源

By anacronymic evolution from SONAR.

来源：wiktionary