条件方程

In order to reach the high-G resistance, finite element analysis is carried out to optimize the size of fuse safety mechanism. The dynamic equations of fuse safety mechanism are established.

对微引信保险机构进行了有限元分析，得到了满足高过载条件的尺寸参数，建立了保险机构的动力学方程，时发射时解脱双重保险的可靠性进行了仿真验证。

Chapter 2 discuss firstly the local existence of solutions for a class of abstract functionalintegro-differential equations with unbounded delay by Schauder's fixed point theorem, then byintroducing an inequality condition and applying the continuity property of solutions it obtainsthe global existence of the solutions.

第二章先利用Schauder不动点定理讨论一类具有无限时滞抽象泛函积分微分方程解的局部存在性，然后引入一不等式条件并利用解的延拓性质获得了解的整体存在性

The second part is devided into two chapters, it\'s main aim is to study the global solutions to 1-d compressible Navier-Stokes equations, and it is organized as follows:In Chapter 2, we introduce the second boundary value problem for the compressible Navier-Stokes equations in the half space.

第二部分分为二章，主要讨论一维可压Navier-Stokes方程整体解的存在性，其中：第二章讨论了不可渗透问题(流体的速度在边界上为0情形)，其中对温度给出了第二边值条件。

The existence of triple positive solutions for second order multi-point boundary value problem is investigated by using Avery-Peterson fixed point theorem. Gives the sufficient conditions for the existence of three positive solutions of the problems.

研究一类二阶非线性微分方程的n点边值问题正解的存在性，应用Avery-Peterson不动点定理，给出这类边值问题至少存在3个正解的充分条件。

Based on two order approximation of the variation of refraction index produced by self-action while optical pulses are traveling in Kerr-medium,the propagation equation has been solved.Furthermore,the strict analytical expressions of the amplitu

文摘：将光脉冲在克尔介质中自作用产生的折射率变化作二阶近似，求解所得到的传播方程，得到啁啾高斯脉冲幅度，脉冲宽度和周啾参数随传播距离变化的严格解析解，讨论了基模高斯脉冲孤波传播的条件。

In the last part we investigate the existence of global attractors for the timediscretization model from a class of reaction-diffudion equations with delay, andthe upper semicontinuity of the global attractors is obtained under some sufficientconditions.

第三部分研究了一类时滞反应扩散方程的时间离散化模型，证明了连续模型离散后整体吸引子的存在性，并在一定条件下证明了离散整体吸引子的上半连续性。

In chapter Ⅳ, we study forward-backward stochastic differential equations with jumps and with bounded stopping time terminal, which take values in separable Hilbert space, and are drived by cylindrical Brownian motion and Poisson point process.

第四章，研究了取值Hilbert空间的带跳正-倒向随机微分方程，其部分系数不满足李普西茨条件，并且终端时间为有界停时。

A new analytic scheme for solving the inverse kinematics equations of CRS robot manipulator was presented by the shift of the joint coordinates and the rotation coordinate system, which were significant to optimize the robot motion and path planning, and the formulas of calculating the sine and cosine of each rotate angle variable were solved.

通过关节坐标的转换和旋转坐标系统的引入，给出了CRS机械手逆运动方程求解的一种新解析法，直接推导出各个关节转角变量的反三角公式，为机械手的运动优化和轨迹规划创造了条件。

Using mechanical energy conservation law,the simple pendulum period is analyzed and its exact formula is given.

利用三角函数作为一种近似方法，对单摆的动力学方程进行了简化，给出了大角度条件下单摆运动的周期的近似公式。

Simultaneous estimation of hydraulic and transport properties were found with the minimum errors for model parameters.

本文采用该优化技术，得到了在饱和及非饱和土壤中污染物一维、二维迁移转化方程的参数，为模型的应用创造了条件。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。