恒常 こうじょう せい維持 いじ機構 きこうでしょう
kōjōseiiji kikōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 恒常性維持機構

1. Probably homeostasis.; Probably homeostatic mechanism.

Polite
Presumptive
Conjecture