Bixo比克索Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”biplane operation双向操作Biedermeier style比德迈风格biphenol compound联苯化合物Biandong Oilfield卞东油田bimetallic spring双金属弹簧biphenylene oxide氧化联苯bifurcation index分叉指数bilinear map many双线性映射biphasie waveform双相波bicaudal mutation双尾突变