国こっ家か基き幹かん技ぎ術じゅつMeaningsNoun1. National Critical TechnologyKanji used国country家house基fundamental幹trunk技skill術techniqueComposed of国こっ家かstate; country; nationNoun基き幹かんmainstay; nucleus; keyNoun技ぎ術じゅつtechnology; engineering; technique; skill; art; craftNoun