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The finiteelements satisfied the integral condition are quasi-conforming element,generalized conforming element,and elements constructed by 2 set parametermethod,and they are equivalent in some sense,and all converge to constantstrain.

满足这种条件的有限元有拟协调元、广义协调元和双参数法构造的单元，在一定意义上它们是等价的，并都收敛到常应变。

This paper is generaly devided into three parts,The first prepare knowledge,introduceing some conceptions asssociated with the polynomial ring and ring of power series such as power-zero element,inverse element and primitive polynomia and so on,prepare to introduce characters of power series.

本文主要分为以下三部分：首先介绍与环、多项式环、幂级数环密切相关的一些概念，如幂零元、可逆元、本原多项式等，为接下来介绍幂级数环的定义及其性质做下铺垫；然后着重讨论了环的性质，加深对多项式环与幂级数环的理解；最后讨论了多项式的性质，并将这些性质推广到幂级数环中，这也是本文的重点所在。

In chapter 4, we define the concept of q-element, and unify group invariant matrix, perfect sequence and q-element. We give their construction, necessary conditions and applications in the theory of difference sets.

在第四章中，我们提出了q-元的概念，并且整合了群不变矩阵、完美序列、q-元这三个概念，给出了它们的构造，它们存在的必要条件，及它们在差集理论中的应用。

Finite element method is based on numerical calculation with the help of matrix and material mechanics and other knowledge, which is widely used in structural analysis ANSYS is a big finite element software integrated with structure, fluid, electric and magnetic field.

有限元法是借助矩阵、材料力学等知识，在结构分析中得到广泛运用的数值计算方法，ANSYS是融结构、流体、电场、磁场分析于一体的大型有限元分析软件。

It established a finite element model of the parts on the intensity theoretical of metal fatigue basis, and carried on the structure of static analysis, dynamic analysis and fatigue analysis, and a lot of finite element method were used, then the distribution of the stress was got.

在金属疲劳强度理论的基础上，建立了该零件的有限元分析模型，对发动机支架的结构进行了静力分析、动力分析以及疲劳分析，应用了较多的有限元分析方法，得到该零件的应力、应变分布状态。

The relation between the result accuracy and the element number of the system is studied and shows the minimal element number to ensure the response result accuracy is determined by the excitation frequency and the modal modes of the system.

研究指出，保证计算结果精确性的最小网格划分数目与激励频率及管道系统的振动模态有很大关系，即由对管系响应贡献较大的最高阶模态振型决定，这一研究成果对实际管道系统振动响应计算中时间与空间节点的划分提供了理论依据。

In principle all elements from boron to uranium can be determined, and trace element analysis and the determination of minor and major element concentrations can be performed on the same sample.

从原理上来说，可以测定从铍到铀的所有元素，在同一样品中可以同时进行痕量元素分析和次成分和主成分元素浓度的测定。

Structurally, the said mosquito killing machine features the pedestal connected movably to the lower case body and with chemical bottle inside it, the indication lamp fixed inside the case with lamp socket being connects movably to lower case body, the upper and lower case bodies connected movably, the chemical bottle electrode base as PCT heating element mounted inisde the lower case body, and the cap of chemical bottle contacting the PCT heating element.

本发明涉及一种化工设备，进一步谈是一种多功能电液灭蚊机，其结构特征是底座与下箱体活动连接，药瓶卡进底座体内，瓶底镶嵌在底座内，指示灯座与下箱体活动连接，指示灯在箱体内固定，上箱底与下箱体活动连接，药瓶电极底座在下箱体内，药瓶盖与PCT加热电子元件相接触。其优点是结构设计合理、效果稳定、耗电低、无污染。

The mudsill and bracket of RWD/QX--48 X1X 2 electrical dust precipitator act as the primary study subject in this paper, and finite element analysis and optimization analysis are made by use of large-scale finite element analysis software I-DEAS, aiming at the demerit of nonstandard design on electrical dust precipitator in our country.

中文摘要：本论文主要以RWD/QX—48×1×2型电除尘器的底梁和支架为研究对象，针对我国电除尘器生产单位对其设计不规范、结构不合理的缺点，利用大型通用有限元分析软件I-DEAS对其进行了有限元分析和优化计算。

The equations of dynamics for the balance are established by Kane's method, from which derives the characteristic equation of natural frequency by means of linearization of dynamic equations, and the six natural frequencies being developed according to the theory of vibration. The law of the six natural frequencies varying with mass of the upper platform and the stiffness of the elastic element are presented,and the Finite Element Method is employed to testify the validity of theoretical results.

基于 Kane 方法研究天平的动力学及模态，通过线性化动力学方程建立天平的固有频率方程，依据振动理论推导出并联天平的六阶固有频率及其对应的振型，同时研究了天平的六阶固有频率随敏感单元刚度系数及上平台质量的变化规律，并用有限元法验证理论计算结果的正确性。

After explaining total design of automated test system for microcircuit , the thesis introduces GPIB standard .

文章在说明了微电路模块自动测试系统的总体设计后，对GPIB标准进行了介绍。

He interceded in my behalf.

他替我说情。