可计算地

The virtual platform is tested by experiments of measuring artificial defects in the mild steel sheet workpiece. And the results show that its functions, including signal channel controlling, signal collection, magnetical flux density curves and butterfly curve, data accessing and signal quantifying and display, can be realized by using the virtual panels; the quantifying precision of this system is about 85 percent; and the shape inversely calculated is similar to the real shape of the defect.

通过实验测试得到如下结论：对该虚拟仪器面板的操作能够有效地实现通道控制和信号采集、磁通密度曲线及蝶形图的实时绘制、数据的存取以及信号的定量计算和显示等功能；具有较高的检测精度，缺陷智能量化相对误差不超过15%；检测反演所得缺陷形状能够与缺陷的真实外形相符，满足可视化检测要求。

Its software development tool are very important to the applications of virtual reality technology because of the rapid development of network technology Being aimed of the shortcoming that the development for the distributed parallelism of simulation computing unit is not enough and formal in current distributed virtual environment systems, we study the modeling language of virtual environment and the system architecture of distributed virtual environment in a new view point, build a complete extensible theory framework novelly for the research of virtual environment technology.

本文针对当前分布式虚拟环境系统对仿真计算单元的分布并行性开发不够充分和规范的缺点，从一个全新的角度来研究虚拟环境的建模语言及其分布式虚拟环境的系统结构，开创性地为虚拟环境技术的研究建立了一个全面可扩展的理论框架。

Particularly, since the presented algorithm is computationally simple and partitively accurate, we can set the good initial parameters and build the MCP forecasting fuzzy models rapidly. The retrospective MCP real-world data was used for modeling and testing the TSK model.

特别地，由于这种结构辨识算法计算简单，划分准确，我们可设置良好的初始参数，加快建立MCP预测模糊模型的速度。

Using the complex optimization method, the planeness error value can be evaluated quickly and accurately on a microcomputer.

利用复合形优化方法，在微型计算机上可迅速、准确地求出此准则下的平面度误差值。

According to the principles of synthesis, dominance, regionality and relative consistency, the environment degradation evaluation system is divided into three classes: vulnerable region, vulnerable type and vulnerable cell. The research area belongs to the erosion degraded Southern Red Hilly Area region. Based on the conceptions and grading, the dissertation probes into the methodology of evaluation and case study, and establishes a potential degradation evaluation system which comprises altitude, gradient, soil erosion index K, annual rainfall, the proportion of rainfall in raining period, and the drought index of rainless period.

在脆弱性概念及其分类的基础上，本文进行了脆弱性评估的方法探讨和实证研究，在脆弱性分析的基础上，选择高度、坡度、土壤可蚀性K值、降雨量、暴雨量、多雨期降雨比重和少雨期干旱指数为潜在脆弱度指标；选取作为区域人地关系、社会经济发展与管理水平综合影响结果的人类活动指标森林覆盖率和坡耕地指数作为现实脆弱度评估的人为加速侵蚀的修正指标，计算生态环境的现实脆弱度，并将其指标体系与方法用于衡阳盆地生态环境脆弱度评估的实证研究。

Based on the statistic feature of block matching moving vector, the method calculates the basic translation vector between current frame and referenced frame through a revisable parameter, and adaptively chooses processing algorithm for image sources with different characteristics.

该方法从分析块匹配运动矢量统计特性出发，通过引入一个可预设置参数，计算当前帧与参考帧之间的基本平移矢量，并自适应地采取混合全局运动、局部运动估计的算法处理不同特征的源数据。

In this experiment, we were successful to establish the finite element model of pelvis after subtotal sacrectomy. The calculated result was similar with the reference. The model could be used to evaluate different ways to reconstruct the sacroiliac joint.

成功建立了保留骶髂关节活动的骶骨次全切除术后骨盆的有限元模型，计算结果与文献中报道的结果较好地吻合，可认为有效，能够用于各种骶髂关节重建方式的有限元评价。

A novel method computing the extended form-factors is given after an extensive examination of existing radiosity, especially the specula radiosity methods.

它可与Z-Buffer硬件加速器或一些可见性预算方法，如BSP方法相结合，大幅度地加快广义形状系数的计算，从而缩短Radiosity场景生成时间。

The model is proved by the numerical simulation of three engineering cases. The SMA superelastic damper of tension-pressure type is introduced. The design and the working principle of the damper are outlined.

采用本文的形状记忆合金一维超弹性本构关系模型对工程算例进行了数值模拟，试验和数值模拟结果表明，本文的形状记忆合金超弹性一维本构关系模型，能够比较真实地模拟NiTi形状记忆合金在温度和应力作用下的受力性能，并且形式简单，计算方便，可满足工程应用要求。

The conclusions drawn from the analysis of the compressible turbulence are:(1) Statistical results including the skewness of velocity derivative are in satisfactory agreement with the known results, verified the effectiveness and validness of our schemes for DNS of turbulence.(2) Based on the idea of Samtaney for extracting discontinuities in compressible flows, the shocklets are successfully captured and the shock strength is statistically analyzed.

对贮存的可压缩湍流流场进行分析，得到了如下结论：（1）包括速度导数偏斜因子在内的各阶统计量与已有的计算结果吻合得相当好，证明了本文格式用于湍流DNS的正确性和有效性；（2）采用Samtaney提出的提取流场间断的思想，成功地找出了位于微激波上的点，并对其法向马赫数进行了统计分析。

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。