bao (=bachelorofobstetrics)产科学士,(=basalacidoutput)基础(胃)酸排量,(=brachialarteryoutput)肱动脉排出量,(=britishassociationoforthodontists)英国正牙学家协会,(=britishassociationofotolaryngologists)英国耳鼻喉科学家协会
co pref.共同;一起;联合abbr.公司(=company)abbr.郡;县(=county)abbr.指挥官(=CommandingOfficer)