PS缩写的意思

DCT EFCI DVVI QDOS IS-IS AP Bps S3 UMTS SFB DFOS FCN GDPS RIP SOC CPS IM STB CPM mcu RAID ppm NCBA ASI MADP ESC AFC GPS EEROM EELS ABDL NDS GIMM APARS ASC AJG SSG DVC CTDM EWT CICS ETE CAI CNCC DL DTP CC DCN CSE DTD DFSK SSM DPON DS IOB EAF CRC EF APADAS FED