Bajan.包姚(在匈牙利；东经 18º56' 北纬 46º12')BAabbr.(=bachelor of arts) 文学士abbr.(=batting average) 击球率abbr.(=Buenos Aires) 布宜诺斯艾利斯abbr.[国家域名]波黑（=Bosnia and Herzegovina）Bazi or flatland坝子Bakhaavaa Buidaa布伊达Baogan decoction肝炎BaiBao oil field白豹油田Bazex's syndromeBao Long highway保龙高速公路Baum's operationBaoji earthquake宝鸡地震Baer's membranaebaumann printing包曼试验