てい周波 しゅうは発振 はっしん じゃありませんでした
te ishūhahasshinkijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 低周波発振器

1. Was not a low-frequency oscillator.; Wasn't a low-frequency oscillator.

Past/Perfective
Negative
Polite
Terminal Form
Computing