略語大辞典 [MIL] 30 EU electronics unit (ヘッドアップ表示装置の)電子装置. electronics unit; e.g. of a HUD(head-up dispaly); HUD consists of EU and PDU(pilot's display unit); [MIL:C:E]. 丸善「略語大辞典」JLogosID : 11874295