IY缩写的意思

ANP AVB AAC AVW AWL AARS CAR TPA ADEP IAS MDA LCS Q PIA AAS APPLE MUA SC SMART AMA ARM SV CCL TAS ASD AAS FAME AGLT GLV AMC LCFC AE SPS AH BAAE IUS APJ PAA CSA ECSS ACP HEAO AMPS RNC PAM ARM EARL AOC SSC CPM CSD AERO EGS NSDA JS CAA CAA ATDRSS CMMCA AN