OAS缩写的意思

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