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オペレーションリサーチじゃないです
operēshonrisāchijanaidesu

敬
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Noun
, 
Desu Copula
, 
Negation Auxiliary

The polite negative form of オペレーションリサーチ

1. It is not operations research.

Negative
, 
Polite
, 
Casual Register

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オペレーションリサーチじゃないです

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