微分的

So the problems from theory of differential equations are various.

Hamilton系统是微分方程理论中一类相当重要的系统。

This thesis mainly investigates the application of Nevanlinna theory in systems of higher-order complex differential equations.

本文主要研究Nevanlinna值分布理论在复高阶微分方程组中的应用问题。

The theory of impulsive differential equations is not only richer

在第四章，以脉冲微分方程的理论为基础，对几个具有Beddington型

The theory of the solution of partial differential equations remained to be fashioned.

偏微分方程解的理论还有待于形成。

Methods stability of the equilibrium was ob-tained by Qualitative Theory of Ordinary differential Equations.

方法利用微分方程定性理论对模型平衡点的稳定性进行分析。

Nonetheless, the theory of difference equations is a lot richer than the corresponding theory of differential equations.

尽管如此，差分方程理论要比相应的微分方程理论丰富得多。

Parallel system and k/n system were developed with the probability differential equation and total probability formula when strength degenerated as time.

运用概率微分方程和全概率公式建立了强度随时间退化时的串联系统、并联系统以及k/n系统动态可靠性模型。

Through an example, methods and steps having matrixing of common difference angle by total differential method are introduced.

通过一个实例介绍用全微分法进行角度公差换算的方法和步骤，它既简单又方便，在工程技术中得到广泛应用。

Chapter 4 mainly deals with the Painleve property and Backlund transformation of nonlinear partial differential equation.

第四章考虑非线性偏微分方程的Painleve性质和Backlund变换。

This method uses the generator model of constant transient voltage and the saliency of generator is included.

本文提出了一种基于特殊二阶微分方程数值积分的电力系统动态安全评价方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。