Biju比朱Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”Bicyclic semigroup双循环半群bicarbonate sodium碳酸氢钠, 重碳酸钠bifunctional agent二官能剂birefringent plate双折射片biminialing tariff双红色收费表Bichat's fat-padbipartite matching偶匹配Biphase helical CT双相螺旋CTbiventral cervicis颈二腹肌bivariate function双变量函数