立方 りっぽう最密 さいみつ充填 じゅうてん構造 こうぞうであれば
rippōsaimitsujūtenkōzōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 立方最密充填構造

1. if it were a cubic closest packing structure; if it is a cubic closest packing structure

Ba Conditional
Geology