部分 ぶぶん領域 りょういきじゃなかったです
bubunryōikijanakattadesu

Noun
Desu Copula

The polite, past negative form of 部分領域

1. Wasn't a partial area.; Wasn't a specific field.; Wasn't limited to one area.

Past/Perfective
Negative
Polite
Casual Register
Computing