RA缩写的意思

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