Position Azimuth Determining System
Pen Application Development System
Passenger Airbag Disarm Switch
Passive-Active Data Simulation
Position/Azimuth Determining System
Parallel Ada Development System
Position and Azimuth Determining Syste…
Processing Arbitrary Data Streams
Procurement and Assistance Data System
Product Assurance Data System
Parts And Drawing System
patient archiving and documentation sy…
Peptidylarginine deiminases
Performance Analysis and Design Synthe…
Performance Analysis Display System
Performing Arts Data Service
Personal Automated Design System
photoelectron angular distributions
Physical Activity and Disability Surve…
Physical Agent Data Sheets
Plasma-Assisted Dry Soldering
Port and Airport Development Strategy
Precision Aerial Display System
Precision Air Drop System
Preventive aggression devices
primary afferent depolarizations
Process Area Descriptions
Procurement Acquisition Data System
procurement assistance data system
Programmer's Advanced Debugging System