条件方程

Adopting generalized Jordan block and algebra equivalence transform method, all of the transfer functions at different load points can be transformed to state-space description with time variable. The steady robustness of three different mode of control systems were researched by mathematic analysis. It shows that: for the high order inertia controlled object with the characteristic of nonlinear and time-variable that described by the set of transfer functions, the Luenberger function observer established according to its any algebra equivalence state-space description, if some conditions can be met, there would be a matrix of T with n′n satisfied the Sylvester matrix equation TA- FT=GC.

采用广义约当块及代数等价变换方法，可将分段的传递函数描述转换为变参数的状态空间描述，对3种典型控制系统的稳定鲁棒性所进行的理论研究表明，对同一组传递函数描述的具有非线性和时变特性的高阶惯性受控对象，依据其任一代数等价的状态空间描述所构建的Luenberger函数观测器，在满足一定的条件时，存在n′n解阵T满足Sylvester矩阵方程TA- FT=GC。

The Lagrange motion equation of the system is established, and synchronous movement is studied. Exact solution of synchronous movement is presented and movement disciplinarian is studied. It proved that under certain condition, it exist periodic motion.

在本文中对该模型建立Lagrange运动方程，主要研究其同步运动，求出同步运动的精确解，并分析其运动规律，证明了在一定条件下存在周期解。

With a rational dynamic model established on basis of the structural features and constraining conditions of the annular plate installation and through Duhamel＇s integral solution of Lagrange motion equation, the impact load and dynamic response of surface casing cementing unit induced from the cementing operation have been analyzed.

根据表层固井环板装置的结构特点和约束条件，建立了合理的力学模型，应用杜哈默积分求解拉格朗日运动方程的方法，对固并碰压状态下承受冲击载荷及其动力响应问题进行了分析。

With a rational dynamic model established on basis of the structural features and constraining conditions of the annular plate installation and through Duhamel's integral solution of Lagrange motion equation,the impact load and dynamic response of surface casing cementing unit induc.

根据表层固井环板装置的结构特点和约束条件，建立了合理的力学模型，应用杜哈默积分求解拉格朗日运动方程的方法，对固井碰压状态下承受冲击载荷及其动力响应问题进行了分析。

In evaluation of errors of precise capacitor s due to geometric, imperfection, one has to solve Laplace equation subject to irregular boundary condition.

在研究精密电容器的几何尺寸误差引起的电容量误差时，往往需在不规则边界的边值条件下求解拉普拉斯方程。

With the thought of "perturbation", this paper analyes the solution of Laplace equation for pole s having irregular boundary.

研究电极的位移形变所产生的误差时，需要在不规则边界条件下求解拉普拉斯方程。

First the topological relations between the unknown points and known points are built as a linear constrain, then the DSI equation group is formulated by combining Laplace equation with the linear constrain equation.

首先由待插值点与已知点之间的拓扑关系建立线性约束，进一步结合位元场满足Laplace方程，建立离散光滑插值联立方程组，采用预条件共轭梯度求解该方程组。

It can solve seismic velocity problem in the area with lateral strong velocity variation. A new method is developed to improve the precision of velocity model building.

从射线理论的程函方程出发，提出了一种没有过多理论条件约束的基于模型全局优化剩余曲率分析速度建模方法，理论和实际资料的计算证明了该方法的有效性。

This paper analyzes mid-pressure gas injectors of LPG/air mixture with thermodynamic principle using the law of conservation of momentum, and establishes characteristic equation of mid-pressure gas injectors under the optimum conditions.

根据动量守恒原理，对液化石油气混空气中压引射器进行热力学分析，并建立了最佳结构条件下中压燃气引射器特性方程。

This paper analyzes mid-pressure gas injector s of LPG/air mixture with thermodynamic principle using the law of conservation of momentum, and establishes characteristic equation of mid-pressure gas injector s under the optimum conditions.

根据动量守恒原理，对液化石油气混空气中压引射器进行热力学分析，并建立了最佳结构条件下中压燃气引射器特性方程。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。