bikh乌头碱Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bivalent immunization双价免疫接种bipartite cleftpalate[医] 双腭裂bivariate correlation双变量相关birefringence of flow怜双折射biaxial warp knitting双轴向经编bimetallic instrument双金属仪器,双金属式仪表,双金属仪表bi-armed chromosome双臂染色体bi-quotient mapping双商映射biax magnetic element双轴磁心元件Bimetallic strip gage双金属片计