Bild形象,雕像,画像,肖像Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bimetallic vacuum gauge双金属真空计bi-nonlinear function双重非线性函数biplane roentgenography双面X线照相术biphenyl isothiocyanate异硫氰酸联苯酯bimetallic thermocouple双金属热电偶Biebersteinia multifidan.多裂熏倒牛biaxial flexural member双向受弯构件Bifidobactedum Pullorum双歧杆菌Bimaxillary prognathism双颌前突bipartite complete tree完全二分树