LT缩写的意思

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