Bieln.比尔Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bifunctional polymer双功能聚合物bilabiate dehiscence二唇形的bivariate polynomial双变量多项式bicrollateral bundle双韧维管束bifurcation equation分支方程bichromate titration重铬酸盐滴定bimetallic conductor双金属导线,双金属导体bilirubin production胆红素生成Bi-cubic B-spine双三次B样条bilharzial carcinoma血吸虫癌