Bica比卡Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bi-directional authentication双向认证Bielschowsky's heterophorometer缩二脲交联Bian wide brick walk compactors宽砧走扁方压实法bivalent bivariate distribution双变量分布bivariate discrete distribution二元离散分布Bianliang in North Song Dynasty北宋汴梁bivariate binomial distribution二元二项分布bicolored pearleverlasting herb三轮蒿bivalent gas gangrene antitoxin二价气性坏疽抗毒素biquinary number representation二五混合进制数表示法