buses， data and address
special address of data memory and access
accessing cost for instruction and data
Address data change rate
address data standardization
alarm-scanning and data-logging system
alternating voice and data
analog and data converter
analog simultaneous voice and data
anatomical data and variations
and Data transmission points
automatic identification and data capture
automatic programming and data system
automatic radar control and data equipment
battery curve and data sheet
Breast Imaging Reporting and Data System