PB缩写的意思

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