DASC Disaster Assistance Support Center (FEMA) 灾难援助支持中心(FEMA)

DASD Deputy Assistant Secretary of Defense 国防部副部长

DASH Division of Adolescent and School Health (Centers for Disease Control and Prevention) 青少年和学校的健康疾病预防和控制中心

DASS Deputy Assistant Secretary of State 副国务卿

DAST Dyslexia Adult Screening Test 难语症成人筛检试验

DAT Disputes Automated Tracking 自动跟踪控制。纠纷

DATA Depth, Air, Time, and Awareness 深度、空气、时间和意识

DAU Daru, Papua New Guinea Daru、巴布亚-新几内亚

DAV Deutscher Alpenverein (German Mountaineering Association) 德国Alpenverein登山运动协会(德国)

DAVIC Digital Audio Video Council 数字音频视频理事会

DAVID Data and Voice Integration Over DWDM (Dense Wavelength Division Multiplexing) 数据和语音一体化在密集波分复用(密集波分复用)

DB Docking Bay 船坞区

DBL Disability n. 无力, 无能, 残疾

DBS Direct Broadcast Sounder 直播音响

DC Dork Camp 傻瓜营

DCS Data Collection Subsystem 数据采集子系统

DCT Discrete Cosine Transform 离散余弦变换

DD Domestic Discipline 家法

DDR Doncaster Defence Regiment (UK) (英国)有防御团

DE Dictation Equipment 设备听写