PGM
Pragmatic General Multicast
PGM-FI
Programmed Gas Management Fuel Injection
PGML
Precision Graphics Markup Language
APR
Apache Portable Runtime (layer, library)
AS3AP
ANSI SQL Standard Scalable and Portable
CLPPCRE
Common Lisp Portable Perl Compatible Regular Expressions
GCR
Gray Component Replacement
Gy
Gray (Joule/kg), Energiedosis