SL缩写的意思

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