階層 かいそう分類 ぶんるい体系 たいけいでしょう
kaisō bunruitaikeideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 階層分類体系

1. Hierarchical classification system probably.; Probably a hierarchical classification system.

Polite
Presumptive
Conjecture
Computing