ちょう ちょう距離 きょり干渉 かんしょう けいでしょう
chōchōkyorikanshōkeideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 超長距離干渉計

1. Probably a very long baseline interferometer.

Polite
Presumptive
Conjecture
Astronomy