先端 せんたん技術 ぎじゅつではありませんでした
sentangijutsudewārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 先端技術

1. Was not cutting-edge technology.; Was not advanced technology.

Past/Perfective
Negative
Polite
Formal Register