可逆 かぎゃく圧縮 あっしゅくではありません
kagyakuasshukudewārimasen

Noun
Desu Copula
no-Adjective
Negation Auxiliary

The polite negative form of 可逆圧縮

1. Not reversible compression.; It is not reversible compression.

Negative
Polite
Formal Register
Computing