multiple systems coupling feature
code-division multiple access CDMA systems
academic information systems
absolute stability of SIMO and MISO systems
Abnormalities of behavioral systems
Aberration of electron optical systems
abbreviated test language for avionics systems
ABB all-digital speed regulating control systems
a class of Vague systems
64-Bit Operating Systems
59-701 sounding systems
4Gmobile communication systems
42V electrical power systems