其次推导出状态偏差形式的系统方程；
给出了系统方程非线性的一种简便处理方法。
A simplified treatment for the nonlinearity of the system equations is given.
由配分函数求出二元系统的物态方程。
高效的，基于文本的方程输入系统。只需键入。
Highly productive, text based equation entry system. Just type.
也许会发现与这个方程一致的另一系统。
Another system may be found which is also consistent with the equation.
给出了该系统的弛豫方程。
由于在系统的输出方程中引入控制项，从而使相应的对偶模型的经济内涵更为深刻。
That is, a control vector is drawn into the output equation of the system.
该模型是一个偏微分方程系统的自由边界问题。
The model is a free boundary problem for a system of partial differential equations.
通过量子力学系统的基本概念，解释基本的薛定谔方程。
Basic SchrOdinger equation is explained by means of the fundamental concept of quantum mechanical system.
系统地导出了交换度方程。
该方法的核心是系统影响方程和系统测量方程。
The kernel of this method consists in system measuring equations and system effective equation.
该文所得的方程计入了系统原始振动的影响。
The equations obtained in the article include the influence of the system original impacts.
多质量系统；矩阵方程形式；
此外，由平衡方程得到系统的平均队长。
In addition, we also derive the mean queue size from another equilibrium equation.
发电机、原动机运动方程及电力系统网络联接；
Park's equation and equivelant circuits; generator-prime-mover shaft motion equation;
发电机、原动机运动方程及电力系统网络联接；
Park's equation and equivelant circuits; generator-prime-mover shaft motion equation;
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