单元的

And their improved methods were also researched, for example the force density method with the triangle element transformed the three links, surface stress density method, surface stress density method of sub-structure and nonlinear finite element method of little youngs modulus.

并且对它们的改进方法，比如三角形单元转化成三杆单元的力密度法、面力密度法、考虑子结构的面力密度法和小杨氏模量的非线性有限元法进行了深入的探讨。

The grillage analytical method of box-girder is analyzed and discussed from unit division, calculation of cross-section property and other aspects.

介绍了箱型梁的梁格分析法，从梁格单元的划分、各单元截面特性的计算等方面进行了论述，指出该箱型梁梁格分析法简单易行，分析的精度可达到一般工程设计的要求。

To make the constant in the interpolation error independent of element size,the ratio of the diameter of the element and the diameter of the biggest ball contained in the element,is uniformly bounded.

传统的有限元方法误差估计需要满足正则性条件或非退化条件，即：单元的直径和单元的最大内切圆直径的比值是一致有界的。

Based on the analysis of the results of these two cases, the rule of element's σ, at different position is presented, and it shows that the steel panel can effectively reduce the maximal σ, of the element adjacent to the steel panel, and can postpone the arriving time within the simulation time. At the same time, the simulation reveals that the boundary effects don't affect the spalling in the similar structure presented in this paper.

通过对两种情况下的结果分析，揭示了混凝土不同位置处单元σ值的时程规律，得到了在计算时间内钢板的存在能够有效地减小相邻混凝土单元的最大拉应力，并延长其出现时间；同时得到了在类似研究的工程结构中，边界效应对混凝土层裂现象无影响。

It is analyzing framework and factor by touch ElectroMagnetic Compatibility capability, premeditate essential project on pass high level testing of Electrical Fast Transient , synthesis material framework of power unit running restructure, it heighten capability criterion of EMC.

分析影响电磁兼容性能的结构与要点，预研出通过高等级的电快速瞬变脉冲群测试的基本型式，结合具体的功率单元结构进行更改，提高功率单元的EMC性能指标。

The article elaborated the seismic sedimentology's concept and the discipline characteristic, thought the earthquake sedimentology may divide into the seismic geomorphology and the reservoir seismography according to the research criterion, propose research method from the application aspects. The article proposed the smallest isochronal strata unit concept at the first time, namely three-phase (seismic, oil well logging, core) unifies the unification when the research the well and seismic, is smallest geology chart unit with depositional analysis.

文章阐述了地震沉积学的概念和学科特点，认为地震沉积学可以按研究尺度分为地震地貌学和储层地震学，从应用角度提出了地震沉积学的研究思路，并首次提出最小等时研究单元的概念，即三相（地震相，测井相，岩芯相）结合研究时井震统一的尺度，是沉积分析时一个最小的地质成图单元。

The method of "type day unit" is time of basis and"repeated Qian set" principle of space,acquire a day of"type day unit" sky-trunk the rule obtain,at the same time,can also acquire a tradition 《easy to learn 》the principle of "the Ground-branch conceals sky-trunk" and assurance method

"类日单元"的方法，就是根据时空多重"嵌套"的原理，获得"类日单元"天干的纳取的法则，与此同时，还可以得到传统易学"地支藏干"的原理和确定方法

Based on Human-Computer Interaction and visualization technologies, we focused on the research of the Human-Computer Interaction platform of the wargame. Starting with analyzing the handcraft wargame, we studied the key technologies in the representation modules for battlefield environment and situation of battlefield, and finally set up a HCI platform model of the wargame.

摘 要：本文基于人机交互和可视化的相关技术理论，从分析手工兵棋入手，以计算机兵棋系统中的人机交互平台为主要研究目标，对其中的战场环境显示单元和战场态势显示单元的关键技术进行了研究，并建立了一个计算机兵棋人机交互平台的具体模型。

For researching the coinstantaneous working process of every unit of the hydraulic device and the influence of the main parameters on control effect,the software named AMESim was used to establish the model of the hydraulic device.The mathematical models of the main parts were built to provide suggestions for design and matching of the hydraulic control device.

为研究此液压系统中各单元的协同工作过程和其内部主要液压参数对控制效果的影响，采用AMES im这一模块化的建模平台，对整体液压控制系统进行了建模，并建立了主要模块的数学模型，为ESP液压控制单元的设计和匹配提供了依据。

Two ways to measure stability of tetrahedrons will be introduced. An earlier method to improve tetrahedron stability, the Snap Method, will be briefly discussed. Then techniques used in Delaunay. triangulation to deal with degenerated elements will bethoroughly investigated.

本文引入了两种单元质量的描述方法，简单介绍了已有的提高四面体稳定性方法之一—投射法；然后介绍了Delaunay方法中使用较广泛的逐点插入法的核心思想，将Delaunay网格构造法中处理退化单元的方法；删除法和换面法，改造后应用于四面体稳定性的提高上。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。