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概念 がいねん実証 じっしょうじゃない
gainenjisshōjanai

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Noun
, 
Da Copula
, 
Negation Auxiliary

The negative form of 概念実証

1. Not a proof of concept.; Not a concept demonstration.

Negative

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概念実証じゃない

概念実証じゃない【がいねんじっしょうじゃない】 Activity

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