APD缩写的意思

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