differential jet差动喷流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 pulse voltammeters微分脉冲伏安法differential current integrator差分电流积分器differential pressure flowmeter差压流量计differential expansion recorder膨胀差计differential enthalpic analysis示差热函分析differential phase shift keying差分相移键控differential pressure balancing压差均衡differential gene determination差别基因决定differential magnetic compasses差分磁罗盘differential variable capacitor差动可变电容器