鏡面 きょうめん反射 はんしゃ指数 しすうじゃなかったです
kyōmenhanshashisūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 鏡面反射指数

1. Wasn't specular reflection index.; Wasn't the specular reflection index.

Past/Perfective
Negative
Polite
Casual Register
Computing