YD缩写的意思

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