音響 おんきょう測定 そくてい かんじゃなかったです
onkyōsokutei kanja nakattadesu

Noun
Desu Copula

The polite, past negative form of 音響測定艦

1. Was not a sound measurement ship.; Wasn't an acoustic measurement vessel.

Past/Perfective
Negative
Polite
Casual Register