Absorbed Photosynthetically Active Radiation - Botany
Adaptive Phase Array RADAR
Adelaide - Australia - ICAO location identifier (ICLI)
Advanced Phased-array Active Radar (SAUS)
American Pinto Arabian Registry - Association (EA)
Apparatus (MUGU)
Authorized Program Analysis Report - Computer science (IBMDP)
Automatic Placement and Routing (SAUS)
Automatic Processing and Recording (NITA)
Automatic Program Analysis Report - Computer science (BUR)
Automatic Programming and Recording - Computer science