D/A  Digital to Analog 數(shù)模轉(zhuǎn)換

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D/B  Database 數(shù)據(jù)庫 
D/D  Engine Out Drift Down Point 發(fā)動機失效漂降點 
D/LNA  Diplexer/Low Noise Amplifier 雙信號耦合器/低噪聲放大器 
D/O  Description and Operation 說明及操作 
DA  Drift Angle 偏流角 
DABS  Discrete Address Beacon System 離散尋址信標(biāo)系統(tǒng) 
DAC  Digital to Analog Converter 數(shù)模轉(zhuǎn)換器 
DAC  Drawing Aperture Card 繪圖穿孔卡片 
DAC  Double Annular Combustor 雙環(huán)形燃燒室 
DAC  Defensive Aids Computer 防御輔助計算機 
DADC  Digital Air Data Computer 數(shù)字式大氣數(shù)據(jù)計算機 
DADS  Digital Air Data System 數(shù)字式大氣數(shù)據(jù)系統(tǒng) 
DAF  Damping Augmentation Function 阻尼放大功能 
DAGS  Dry Air Generation System 干空氣發(fā)生系統(tǒng) 
DAL  Development Assurance Level 發(fā)展保證標(biāo)準(zhǔn)