differential gap不可调间隙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 coefficient equation group微分方程组differential equation geodesic equation大地线微分方程differential flowmeter in liquid service液体差压流量计differential-integral dynamical system微分-积分动力系统differential pressure fluctuation signal差压波动信号differential resistance type joint meter差阻式测缝计differential system with variable delays变时滞微分系统differential aileron linkage arrangement[机] 差动轴翼链系differential frequency offset estimation频差估计differential absorption hemagglutination鉴别吸收血凝反应

1. They use a bridge to measure the impedance of the transducer.
   他们用电桥来测量传感器的阻抗。