オペレーションズリサーチです
operēshonzurisāchidesu
1. Operations research.
Noun
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1. Operations research.
1. operation
1. research
1. operation
1. Research; Of research
1. research with; by researching
1. In operation; With operation
1. Operation.; It is an operation.
1. Operational; Of operation
1. Research.; It is research.