AA缩写的意思

PTT TWE M.Ec. CLEP HKUST CFR DT NSA HE MCAT B.Eng.Mgt MJ AD NJTV PE DNA UQ PG AQ TFF AIE ME M.A.Ed OT CBC BAEE ABC ESP AR BEC MSME UC XQ ORC OP SWJTU RA AJED A-level AC UD ROI AAU DILS B.RM TESOL TA BL WD ADELAIDE B.Eng B.S.Ed CTC LA UofMELB WP ALR M.I.E. AAS ADIDA