Talk:Type 93 Passive Sonar/@comment-10504253-20140908064039/@comment-25490263-20150118132555

Thanks to Admiral Mikado for this information: In their context, the terms are synonymous & in fact, the latter is employed to clarify the former. For the underwater usage, there is a different writing utilized to point to that meaning.

In essence, what subtle differences there are in Japanese do not unveal themselves in English.