LRN缩写的意思

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