可实现的

Cutting discontinuities's 3-D model could get cutaway view and date directly on AutoCAD plat, it will be good for research instability clastic mass. The author select rock mass from damsite in Laxiwa hydroelectric station as object to which information processing system on rock mass structure is applied.

通过结构面的数学建模，使采集所得结构面数据的处理实现了信息化，程序化，应用多功能数据库在计算机上人机交互划分岩体结构，初步实现岩体结构的信息化，并且通过结构面与相关实体的真三维实体模型的建立，既可清晰直观的展示结构面模型的空间形象，又可容易的切割模型并获取切图的数据，对不稳定块体的分析研究提供了强有力的辅助手段。

The foundation of this system provides a good reference to promote the standardization and intelligence of the overhaul and maintenance of vacuum switches. This paper develops a special HF pulse power supply for internal pressure estimation, which achieves the output of HF-HV sinusoidal pulse wave whose frequency and amplitude can be modified respectively, and meets the design requirements according to the results of Simulink simulation and practical experiments. With the help of AT89S52, this paper designs an I~2C serial bus based signal detection system for peak value signal acquisition of HF pulse currents, which communicates with the upper computer by asynchronous serial communication for uploading the data. In the upper computer, a human computer interface is developed by Matlab software, whose functions are to do some computation and graphic display, such as calibrating the relation curve of vacuum degree and peak value of HF pulse currents, vacuum degree computation, and vacuum lifetime evaluation analysis basing on grey forecasting model as well as making relative suggestions.

本文研制了用于真空度检测的高频脉冲电源，通过Simulink仿真和试验检验其满足设计要求，实现了电压幅值和频率独立可调的正弦波高频高压脉冲输出；利用以AT89S52为核心基于I~2C串行总线的信号检测系统实现高频脉冲电流峰值信号的采集，通过异步串行通信实现单片机与计算机之间的数据通信，将检测数据传至上位机；在上位机利用Matlab开发人机交互界面，实现相关数据处理和图形显示，包括真空度——高频脉冲电流峰值关系曲线标定、真空度数值计算、基于灰色预测模型的真空寿命评估分析和提出相应决策建议。

The main content of the dissertation is designing and realizing the total scheme and frame of system software. The module of the input and output is designed by using the generally I/O of the multichannel buffered serial port to simulated the communication of I~2C bus. The Ping-Pong buffer is brought forward to resolve the problem of the data rate matching. The logic switch function is designed in the programmed logic devices. The data transmission rate is improved by using the DMA and the dual buffer mechanism. The system program self-loading is realized by the design of the self-leading program. Lastly, the dissertation analyzes the characteristic of LLL video and experimentalize with some typical image processing algorithm.

主要对系统软件的总体方案与框架结构进行设计实现，内容包括利用通用串行口模拟I~2C通讯实现输入／输出模块的设计，提出乒乓缓冲结构来解决数据的速度匹配问题，利用可编程逻辑器设计完成逻辑切换控制功能，利用DMA并行传输方式并设计双缓冲结构提高数据的传输速度，设计自引导程序来实现系统程序自加载，最后深入探讨了微光视频图像的特征说明了几种典型的微光图像处理算法的原理，参考这些处理算法设计能在高速视频图像处理器上实现的软件方法，并做了一部分相关的实验研究。

Their correlation and influence were described,and it was proposed that in development of each procedure of green buildings and intelligent buildings,only the combinations of the two kinds of buildings can better realize the harmony and unity of "human-building-nature" and realize a circulable,harmonious and sustainable devel.

对国内外绿色建筑和智能建筑的概念、特点、评估体系和发展概况等方面进行了详细深入的相互比较研究，阐明了它们之间的相互关系和影响，并提出了我国在发展绿色智能建筑的各个程序上，应把二者相互结合才会更好地实现&人-建筑-自然&三者的和谐统一，并实现节约能源、资源、无害化、无污染、可循环的、和谐的、可持续发展社会。

Using digital signal processor can reduce the calculating time. Since the control pulses of axes are synchronistical during timer interrupt periods, the interpolating trajectory are significantly improved.

利用数字信号处理器进行三次B样条曲线实时插补，可缩短插补计算时间；通过设定DSP的定时器中断来实现各轴控制脉冲的发送，可实现最大限度地减少折线状的插补轨迹的目的。

The photocomposing plate making machine has very large scanning area and optional scanning resolutions and makes it possible to realize full automation.

本发明的照排制版机扫描幅面可达到对开、全张甚至更大，扫描分辨率从726线／英寸―3000线／英寸有多种可供选择，可实现从照排到制版全过程自动化作业。

Constitution:the button-sewing machine comprises:a fixing means 构件 for fixing a buttonand an article being sewn;a moving means for moving the fixing means to stitch the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade;and a button,wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

一种钉扣机，设置有布料保持件的可动、固定切换机构，该切换机构在钉扣缝制时可在以下两种状态之间进行切换：将布料保持件固定保持在规定位置上从而停止该布料保持件在左右方向上的移动的状态、或者解除对布料保持件的位置固定从而使该布料保持件通过可动台与纽扣保持件一起在前后方向、左右方向上移动的状态，在该切换机构上安装有可在左右方向上的一定范围内调整布料保持件的固定保持位置的位置调整机构，由此可使整体结构简单，可实现小型化、轻量化及低成本化，且即使在将柔软的布料作为缝制对象时也不会出现缝制褶皱等，另外，无论线的种类和粗细如何，都可进行缝制品质高的钉扣。

Firstly,two chaotic maps are suggested and their statistic characteristics are also analyzed.Secondly,to accomplish a controllable visual effect of encrypted image,a visual quality control model is presented,and on the basis of which,a chaotic image encryption scheme is constructed by chaotically adjusting the randomly selected approximate coefficients at the coarsest level in wavelet domain.Then,the security and efficiency of the algorithm are analyzed.

首先给出了两个混沌映射，并分析了其统计特性；为实现基于质量可控的图像加密，构建了加密的视觉质量控制模型；在此基础上，通过对随机选取的最粗级小波近似系数进行深度可控的混沌调节，实现了图像加密；最后，对加密算法进行了有效性分析。

At the saxne time, meLS VPN----a solution for integrated model is discussed indetail, including network comPonents of MPLS VPN and its operation mode. There arealso some problems that must be solved to build a MPLS VPN, such as customer addressspace overaPping, netWork accessibility constraini, VPN route uPdating, saving ofbackbone bandwidth, reducing of complexity of PE rooters and accessing Internet fromVPN, etc. MPLS VPN can solve all the problems, as well as bring us some values inscalability, imPlemotation and maintenance.

在此基础上，详细阐述了集成模型的解决方案——MPLS VPN的工作原理，包括MPLS VPN的网络构成和运行模式，对实现虚拟专用网所面临的问题：用户地址空间重叠、网络连通性约束、VPN路由信息更新、节省骨干网带宽资源、降低PE路由器处理的复杂性以及如何在虚拟专用网内访问Internet等提出了解决方案，并对MPLS VPN在扩展性、可实现性、可维护性方面的优势进行了说明。

The test results show rotary driving of 2-DOF actuator reaches 0.45 μrad in resolution, 18 mm in travel, 0.04 rads^(-1) in velocity and 0.2 Nm in torque; linear driving reaches 40 nm in resolution, 20 mm in travel, 19.2 mm min^(-1) in velocity and 10 N in driving power approximately.

试验结果表明：二维驱动器的旋转驱动分辨率达到0.45μrad，行程360°，速度达到0.04rads^(-1)时，扭矩可达0.2Nm；直线驱动分辨率40 nm，行程20 mm，速度19.2 mmmin^(-1)时，驱动力可达近10N，可实现2自由度精密驱动。

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。