満漢 まんかん偶数 ぐうすう官制 かんせいでしょう
mankan gūsūkanseideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 満漢偶数官制

1. Probably a full Han official system.

Polite
Presumptive
Conjecture