bicen.灰蓝色；绿色Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bivariate normal distribution二元正态分布,双变量正态分布bicarbonate ion concentration重碳酸钙盐离子bimetallic-strip thermostat双金属条恒温器bivariate Cauchy distribution二元柯西分布bi-directional chained list双向链接列表bi-directional transmission双向通讯Bilirubin Y transport protein胆红素Y转运蛋白bimetallic strip compensation双金属片补偿bivariate generating function双变量母函数Bi-cubic B-spline surface双三次B样条曲面