可逆 かぎゃく圧縮 あっしゅくじゃないです
kagyakuasshukujanaidesu

Noun
Desu Copula
no-Adjective
Negation Auxiliary

The polite negative form of 可逆圧縮

1. It's not reversible compression.; It isn't reversible compression.

Negative
Polite
Casual Register
Computing