鏡面 きょうめん反射 はんしゃ係数 けいすうじゃなかったです
kyōmenhanshakeisūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 鏡面反射係数

1. Wasn't the specular reflection coefficient.; Wasn't the coefficient of reflection.

Past/Perfective
Negative
Polite
Casual Register
Computing