防ぼう空くう識しき別べつ圏けんぼうくうしきべつけんじ字FuriganaMeanings1nounair defense identification zone; ADIZmilitary›Military term for a designated airspace where aircraft must identify themselves. Often used in news about territorial airspace and defense.中ちゅう国ごくが東ひがしシナ海かいに防ぼう空くう識しき別
