vpi缩写的意思

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