Bixo比克索Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bifurcated rudder可张翼舵bifurcation ratio分叉比,分枝比率biplane angiogram双平面血管造影术bifilar secondary双线次级线圈biquadratic curve四次曲线Bifurcation chart分岔图Bi-polarization两极分化Biliski's formulabilocular stomach[医] 葫芦胃, 沙漏胃bifurcatio aortae主动脉杈