air data system and inertial reference system
automatic programming and data system
Breast Imaging Reporting and Data System
breast imaging reporting and data system-ultrasoun
Data visualization and classification
accessing cost for instruction and data
adaptive sampled-data system
alarm-scanning and data-logging system
alternating voice and data
amphibious flagship data system {= AFDS}
analog and data converter
analog simultaneous voice and data
anatomical data and variations
and Data transmission points
ASW tactical data system
asynchronous multirate sampled data system