音響 おんきょう測定 そくてい かんじゃありませんでした
onkyōsokutei kanja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 音響測定艦

1. Was not a sound-measuring vessel.; Was not an acoustic measurement ship.

Past/Perfective
Negative
Polite
Terminal Form