biron.(可以吸墨水的)圆珠笔Bin.[化]元素铋(bismuth)的符号bi-: pref.；表示“二；双”bimolecular base-catalyzed acyl-oxygen cleavage双分子碱催化酰氧断裂bimolecular acid-catalyzed acyl-oxygen cleavage双分子酸催化酰氧断裂bifocal atrioventricular sequential pulse generator双灶房室顺序脉冲发生器bimolecular acid-catalyzed acyl -oxygen cleavage双分子酸催化酰氧断裂bimolecular base-catalyzed acyl -oxygen cleavage双分子咸催化酰氧断裂Bi-level noninvasive positive pressure ventilation双水平无创正压通气bimolecular base-catalyzed alkyl-oxygen cleavage双分子碱催化烷氧断裂bimolecular acid-catalyzed alkyl-oxygen cleavage双分子酸催化烷氧断裂bilinear frequency characteristic displaying instrument双线性频率特性显示仪bi-material beam micro-mirror integrated structures双材料梁-微镜一体化