DC缩写的意思

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