SS缩写的意思

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