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To meet the challenge of the design for different span projects, the influence of the major parameters on the mechanical behavior at different spans is analyzed in this paper. The variation rule of these parameters with the span is discussed in this paper, which provides thereunder for project designs.

4为满足实际工程中不同跨度的设计需求，本文针对张弦立体桁架结构的主要参数在不同跨度时对结构的受力性能影响情况进行了计算分析，讨论了结构参数和跨度二者之间的变化规律，为工程设计提供了参数选择的依据。

Based on the thermionic emission theory, a method to extract parameters of Si SBD is given in this study. Using this model, we tested the characteristics of devices and extracted the parameters of two kinds of samples. The ideality factor is 1.01 and 2.13 respectively. The zero-field barrier height is 0.70eV and 0.72eV. The surface state density is 5.5×10~(15)cm~(-2)eV~(-1) and 4.3×10~(12)cm~(-2)eV~(-1). The interface oxide capacitance is 9.0×10~(-4)F·cm~(-2) and 5.4×10~(-6)F·cm~(-2). The neutral level of the surface states is 0.81eV and 1.1eV. The reverse breakdown voltage is 101V and 56V.

本研究在热电子发射模型的基础上，建立一种提取Si基SBD器件特性参数的理论模型，基于这个模型，对两种样品的性能进行测试，并计算出退火和未退火样品的理想因子分别为1.01和2.13、零电场势垒高度分别为0.70eV和0.72eV、表面态浓度分别为5.5×10~(15)cm~(-2)eV~(-1)和4.3×10~(12)cm~(-2)eV~(-1)、界面层电容分别为9.0×10~(-4)F·cm~(-2)和5.4×10~(-6)F·cm~(-2)、表面态中性能级为0.81eV和1.1eV、反向击穿电压101V和56V。

The theory relationships between thermo -deformation parameters and processing parameters were discussed.

从理论上分析了制备过程中热变形参数与工艺参数之间的相互关系。

Distribution characters of the soil stress and its distortion were analyzed. The interaction relation among the character, and earth parameters and timbering parameters were clarified, and properties of region and structure of overlay soil for tunneling face was posted.

全面分析了围岩的应力与变形的分布特征及其变化规律，阐明了地层变位以及应力与地层参数、支护参数的相互关系；揭示了隧道上覆地层的区域性及结构性特点。

Distribution laws of divided link and sum link relate exceedingly to the distribution parameters in tolerance analysis and tolerance synthesis. And the numerical value of these parameters influences directly the assemblys reliability.

组成环和封闭环的分布规律与公差分析、公差综合所用到的各分布参数密切相关，分布参数的大小直接影响到装配成功率的高低。

In the chapter 4, some mathematic modules are constructed , which are rules of the system programs, we use second-grade parameters to identify input signals. Based on mathematic modules and second-grade parameters, system programs using "Top-Down" designing idea are divided into some module programs in the chapter 5, At the end of this chapter, questions and resolutions in testing are introduced; In the last chapter .application of download characteristics of MCU is used on long distance update , so the totalizer can be used in broad fields if software designed reasonably .

第四章中先介绍了程序中使用的一些数学模型和利用设置二级参数确定输入信号类型的方法；第五章中介绍了采用自顶向下的模块划分程序设计方法编制的系统软件的过程，并在章末介绍了系统调试方面出现的问题和相应的解决方案；第六章利用MCU的下载特性和网络功能，推出实现智能仪表软件的远程升级方案，通过软件设计，使得仪表有了更为广泛的应用空间，实现单表多用。

An algorithm about picking element is presented in this paper: First,getting certain amounts of boundary points by contour tracing from a point near an element and calculating primal parameters; Then, picking the element completely by element tracing guided by these initial parameters, jumping over broken points and intersecting points; At last,deleting the picked element from the raster image and renewing other elements' information intersecting with the picked element.

本文提出一种图元拾取算法：首先从图元附近一点开始，经轮廓跟踪、参数拟合得到图元的初始参数；然后在初始参数引导下，对图元定向跟踪，跳过断点和交点，最大限度的拾取整个图元；最后在光栅图像上删除该图元，并恢复与之相交的其它图元的交点信息。

In order to predict and control the traction trafficability of a lunar rover, an algorithm for mechanical parameters estimation of lunar soil basing on linear-least squares method was presented, two key mechanical parameters, cohesion and internal friction angle were reversely estimated.

为了预测月球车的牵引力并进行牵引控制，提出了一种基于线性最小二乘法的月壤力学参数估计算法，对内聚力和内摩擦角这两个关键的月壤力学参数进行反求。

Traditional KF is utilized to identify structural parameters by transformation from dynamic system differential equation to state space, and combining structural parameters and responses in system state vectors in this dissertation.

利用传统KF将动力学系统的运动微分方程转换到状态空间中，然后将待识别的参数同结构的响应—并作为系统的状态向量进行识别。

A set of parameters about the antiwear and extreme pressure effectiveness were introduced. The relationship between the antiwear and extreme pressure properties of rare earth trifluoride and bond parameters was disclosed.

对稀土元素及其化合物可能与摩擦学性能相关的结构特性进行了简要的叙述，对稀土在摩擦学中应用的研究现状和意义进行了评述。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。