baumn.射频阻抗匹配变压器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）bauxitic mudstone铝土质泥岩Baidong structure白东构造Ba-construction“把”字句Baimiao Reservoir北庙水库Baiyang Lake area白洋淀地区Baikalian orogenyn.贝加尔造山运动Bauhinia coccinean.绯红羊蹄甲Baxiannao deposit钨锡多金属矿床Baieaodan capsule百草丹胶囊baking properties烘烤品质