オペレーションリサーチ
operēshonrisāchi
1. operations research
Noun
#273717
1. operations research
1. research
1. operation
1. operation
1. If researching; When researching
1. It wasn't research.; It wasn't an investigation.
1. Not research.; It's not research.
1. Research.; It is research.
1. If [it] were research; If [it] involved research
1. It is not research.