立方 りっぽう最密 さいみつ充填 じゅうてんでしょう
rippōsaimitsujūtendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 立方最密充填

1. Probably densest packing.

Polite
Presumptive
Conjecture
Geology