?声纳官
... 声纳纪录簿 sonar log 声纳官 sonar officer 声纳位差修正量 sonar parallax correction ...
Chief Petty Officer Andy Horsburgh, whose job is utilising the submarine's sophisticated sonar, says that when at sea other submarines need to worry because "we'll find them before they find us".
BBC: HMS Astute recovers from shaky start
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。