AC缩写的意思

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