直交 ちょっこう 平面 へいめん じゃありませんでした
chokkōka heimenwa ja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 直交化平面波

1. Was not orthogonal plane wave.; Was not an orthogonal plane wave.

Past/Perfective
Negative
Polite
Terminal Form