下位 かい試験 しけん手段 しゅだんじゃないです
kaishikenshudanjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 下位試験手段

1. Not a lower-level testing method.; It's not a lower-level means of testing.

Negative
Polite
Casual Register
Computing