A/OI stands for And / Or Invert
A/TT stands for Analog Tie Trunk
A/OGCM stands for Coupled Atmosphere/Ocean Global Climate Model
AS stands for Aanstaande AS stands for Abandon Ship AS stands for Ablaufsprache (German: Sequential Function Chart) AS stands for…
A/OPC stands for Agency/Organization Program Coordinator
A/RTS stands for Audit/Review Tracking System
A/RIA stands for Apollo/Range Instrumentation Aircraft (subsequently renamed Advanced Range Instrumentation Aircraft)
A/P F/D stands for Autopilot Flight Director System (aviation)
A/PACT stands for Aging Parents and Adult Children Together
AR stands for Abandon Rate AR stands for Abbey Road (Beatles album/song) AR stands for Abnormal Returns AR stands for…