基本 きほん相互 そうご接続 せつぞく試験 しけんでしょう
kihon sō gosetsuzokushikendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 基本相互接続試験

1. Probably a basic interconnection test.; Likely a basic interconnection test.

Polite
Presumptive
Conjecture
Computing