sonar beam pattern声纳: sonar; acoustic susceptance ...辐射: radiation; exposure; radio; ...图: picture; chart; drawing; map辐射图: radiation chart; radiation diagram; radiation pattern; radiation ray pattern场辐射图: field radiation pattern下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:声纳辐射图，即可在微信中查询翻译
