立方 りっぽう最密 さいみつ充填 じゅうてん構造 こうぞうでしょう
rippōsaimitsujūtenkōzōdeshō

Noun
Desu Copula

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

1. Probably face-centered cubic packing.

Polite
Presumptive
Conjecture
Geology