微分方程的积分

An approximate solution can be derived by using Crammer\'s rule.Illustrative examples are given to show that the method in the present paper is simple and efficient.

采用微分的方法首先把两点边值问题转化为Fredholm积分方程，再应用本文的方法求解，通过数值例子展示了该方法的简单有效性。

Because of the static characteristic of the shape-model which can't be expressed by time obviously, it is hard to get characteristics of motion by integral and differential coefficient directly.

在进行运动特性分析时，由于姿态方程本身仅表示某一时刻瞬间的形态特性，没有显式的时间参量，很难通过纯数学的微分与积分方式求解运动特性。

Applying dynamic program to the optimal control problem of this jump process,we obtain integro differential HJB equation.

对这一跳跃过程最优控制问题，我们应用动态规划原理得到了积分-微分( integro-differential)形式的 HJB方程。

In the last a few years, the differential solution of wave equation was hold up by the condition of computation. Kirchhoff integral method rose in the initial stages of the ninetieth decade of last century.

前几年波动方程微分解由于受计算条件的限制而难于在地震资料处理过程中发挥作用，上世纪90年代初发展起来的克希霍夫积分方法，因本身存在的缺陷也难于在深层地震资料处理中取得新的突破。

The generalized magnetostatic field reciprocity theorem is deduced by the language of differential forms.

应用微分几何语言导出了广义静磁场互易定理，并应用该定理推导了漏磁无损检测数值分析中的富内德和蒙积分方程和线圈电感增量公

I am sure after a few weeks of adaptation and familiarization I will have no difficulty in functioning on a daily basis in an English speaking society or in participating fully in graduate studies.

在大学的三年的学习生活不仅给予我自身的充实，更重要的是磨练和培养了我较强的自觉能力和严谨，踏实的作风以及不怕困难的精神，对未来充满了信心！

As the first volcanoes erupted, one of the gases that bellowed out was steam.

在第一批火山喷发时，喷出的气体之一就是水蒸汽。