Bild形象,雕像,画像,肖像Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bifunctional reactivity双官能反应性bicubic spline function双三次样条函数bi-engine development双轮驱动biaxial stretching film[化] 双向拉伸薄膜bifunctional electrodes双功能电极bivariate interpolation双变量内插birefringence technique双折射技术Bifidobacterium bifutum双歧杆菌bifactorial segregation二因子分离bimolecular combination双分子结合