The differential and the integral are inverse operations each other, But the differentialoperation is easier ban the integral.
微分和积分是一对逆运算，但是微分比积分更容易运算。
2
The energy transfer characteristics of a flashlamp pumped dye laser in PTM operation is investigated according to the differential-integral equations derived from the rate equations.
根据由速率方程导出的一组微分-积分方程，研究了闪光灯泵浦染料激光器PTM运转时的能量转移特性。
3
The hidden layer that is made up of proportion, integral and differential three parts realizes PID operation;