differentials差价differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分differential factor差动因数differential sensor差动传感器differential matrix微分矩阵differential scheme差分格式differential screen差动筛differentialization差异化differential selsyn差动自动同步机,差动自整角机differential charge差别收费Differential pacing差异性起搏differential spider差速器十字轴,差速机十字轴