部分 ぶぶん領域 りょういきではありませんでした
bubunryōikidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 部分領域

1. Was not a partial area.; Was not a limited field.; Was not a specific domain.

Past/Perfective
Negative
Polite
Formal Register
Computing