MLS缩写的意思

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