SONAR
词形变化
SONARs
复数
SONARs
释义与例句
n.
-
1.
Dated form of sonar.
可数 过时 不可数
词汇关系
相关短语
词源
Acronym of sound navigation and ranging. Coined by American scientist Frederick Vinton Hunt in the 1940s, roughly contemporaneously with radar. The lowercase form (sonar) is by anacronymic evolution.
来源:wiktionary