在第二部分中，同样的方法，我们讨论了一阶脉冲微分方程积分边值问题。
In part II, by the same way, we consider first-order impulsive differential equations with integral boundary value problems.
本文主要用首次积分法构造一阶拟线性偏微分方程始值问题的解。
The fist integration is mainly used tO form the initial value solution of fist order quasi-linear partial differential equation.
应用全微积分方程的充要条件给出了求一阶微分方程积分困于较为一般的方法。
It is shown that the common method of integrating factor of differential equation of first order is given.
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