高度 こうど技術 ぎじゅつじゃなかったです
kōdogijutsujanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 高度技術

1. Wasn't high-tech.; Wasn't advanced.

Past/Perfective
Negative
Polite
Casual Register
Computing