概がい念ねん実じっ証しょう

noun

proof of concept

Technical term used in business, engineering, and research to describe a demonstration that a concept or theory is feasible.

• このプロジェクトは概がい念ねん実じっ証しょうの段だん階かいです。

  This project is at the proof-of-concept stage.

• 概がい念ねん実じっ証しょうを経へて、製せい品ひん化かに進すすむ予よ定ていだ。

  After the proof of concept, we plan to move to commercialization.