FL缩写的意思

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