衝突 しょうとつ検出 けんしゅつじゃなかったです
shōto tsuken shutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 衝突検出

1. Collision detection wasn't done.; It wasn't detected a collision.

Past/Perfective
Negative
Polite
Casual Register
Computing