1. Week 7 The definition and geometric meaning of differential. Basic Elementary Functions Represented by differential formula. the operational rule of differential. 第7周 微分的定义。微分的几何意义。基本初等函数的微分公式与微分运算法则。
2. for differential relay based on impedance, after defining the ratio of differential voltage to differential current, the research is conducted in complex plane of impedance. 对于差动阻抗继电器，定义差动电压与差动电流的比，在阻抗复平面上研究。
3. The quality index of a differential amplifier in single end input is analyzed and compared with that of the differential amplifier in differential input. 对单端输入差动电路的性能指标作了较为深入的分析和讨论，并与差动输入时的指标进行比较。
4. Advantage and reliability of the new differential gear are illustrated by the comparison of the traditional differential gear of the farm vehicle's gearbox and the new differential gear. 通过对传统的农用车变速箱的差动轮系与新型差动轮系的比较，介绍了新型差动轮系的结构和优点。
5. A new novel fully-differential charge pump was designed in this paper, differential input and differential output was used in this circuit. 采用差分输入和差分输出方案，设计了一种新型的全差分电荷泵。
网络释义
differential gauge differential pressure gauge differential pressure meter 差压计;
differential gauge differential pressure gauge differential pressure meter 差压计;
differential gauge differential pressure gauge differential pressure meter 差压计;
differential gauge differential pressure gauge differential pressure meter 差压计;
differential coefficient of a function of many variables and total differential 多元函数的导数与全微分;
