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国家 こっか基幹 きかん技術 ぎじゅつでした
kokkakikangijutsudeshita

敬
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Noun
, 
Desu Copula

The polite past form of 国家基幹技術

1. National core technology was.

Past/Perfective
, 
Polite

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国家基幹技術でした

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