反射 はんしゃ減衰 げんすい りょうじゃなかったです
hanshagensuiryōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 反射減衰量

1. Wasn't reflection attenuation.; Wasn't the amount of reflection attenuation.

Past/Perfective
Negative
Polite
Casual Register