オペレーションリサーチであれば
operēshonrisāchideareba
1. If operation research; When operation research
Noun
#347700
1. If operation research; When operation research
1. research
1. operation
1. operation
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to
1. Cannot have; Cannot do
1. If there is; If you have