人工 じんこう孵化 ふか ほうではありませんでした
jinkō fuka hōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 人工孵化法

1. Was not artificial incubation.; Was not an artificial incubation method.

Past/Perfective
Negative
Polite
Formal Register