IN缩写的意思

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