differential pcm差动式脉码灯differentialadj.差别的；特定的；微分的n.差别；工资差额；差动齿轮；[数]微分differentially coherent transmission system差动相干传输系统differential diagnosis of posterior aphasia后部失语的鉴别诊断Differential inhibition on test performance试验性能鉴别抑制differential maximum bubble pressure method差分最大气泡压力法differential reaction rate kinetic analysis速差动力学differential distribution of cross-linking交联微分分布Differential contact mass transfer equipment微分接触传质设备differential peak position detection circuit微分峰位检测电路differential inclusion with state constraint约束微分包含Differential Scanning Calorimetry instrument差示扫描量热仪（DSC）

1. This pair of scales is not in equilibrium.
   这个天平不平衡。
2. Let me weight it on the scales first.
   让我先在天平上称称。