打診 だしん発生 はっせい げん認証 にんしょうでしょう
dashinhasseigennin shōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 打診発生源認証

1. Probably the source of the strike.; Likely the origin of the hit.

Polite
Presumptive
Conjecture
Computing