鏡面 きょうめん反射 はんしゃ指数 しすうでしょう
kyōmenhanshashisūdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 鏡面反射指数

1. Specular reflectance index, likely.; Probably specular reflectance.

Polite
Presumptive
Conjecture
Computing