参数化的

This paper researched the Fractal theory and suggested that it can be applied in Packing CAD System. The parameter design of fractal image was realized to stimulate anomalous scenes and draw typical fractal pictures.The paper aimed to upholster packing products,to publicize packing merchandises and to defend fake brands.

本文通过对分形理论的研究，提出将分形理论应用到包装CAD系统，并实现参数化设计，在计算机上模拟不规则的自然景物和典型的分形图案，目的是借助分形图案的自相似和无限延展的特性，帮助我们进行包装产品的装潢设计、包装商品的宣传及包装商标的防伪。

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。

The parameterization of section contour data is carried out by the method of accumulated chord length, the reasonable math model on the selection of node vector is given, the approximating of NURBS curve to section contour data is carried out by the least square method and the most reasonable number of control point is obtained by the dimidiate algorithm, which makes the approximating of NURBS curve reach the extent of complete automation.

用积累弦长的方法对截面轮廓数据进行参数化；给出了节点矢量选择的合理数学模型；用最小二乘法对截面轮廓数抛进行了NURBS曲线的拟合；二分法寻找最优控制点的算法使NURBS曲线的拟合达到全自动化的程度。

During the design of VXI-bus Serial Controller Module, the functions of VXI-bus including time-sequence for VXI interface, resource management, interrupt process, bus arbitration, are accomplished. To advance the performance and stability, the FPGA technic is used to implement the kerneled code including serial bus time-sequence switching to VXI interface time-sequence, the UART, the Parameterized Baud Generator and"Pipeling frame". The handle type of Data Transfer Bus for VXI-bus is researched thoroughly, and the format of serial data transfer is designed.

在VXI总线串行控制器设计中，实现了VXI总线控制器的基本功能，包括VXI总线接口时序、总线仲裁、超时处理等；同时利用先进的FPGA技术实现了串行总线时序向VXI总线时序的转换、通用异步收发器、参数化波特率发生器、流水线结构等功能模块；在设计中还深入研究了VXI总线数据传输的各种操作类型，制定了串行数据传输的编码格式。

It has the following characteristics: 2D drawings can be maintained with a high degree of consistency of 3D model; CAD /CAPP /CAM are integrated by the generation of comp lete manufacturing information and the integrated digital p roduction line of shell, outfitting and painting is imp lemented basically; the generation of comp lete manufacturing and management information of shell, outfitting and painting lays the foundation for the integration of design, manufacturing and management; the entity and parametrized technology is used to ensure the establishment of ship p roductmodelwith comp lete topology relations; and the data interfaces for the heterogeneous CAD data and information integration ensure the collaborative design for the factories and the institutes.

SPD系统具有如下特点：能保持三维模型与二维图纸的高度一致；通过生成完整的加工制造信息实现CAD/CAPP/CAM集成，基本打通&壳、舾、涂一体化&的数字化生产线；通过生成壳、舾、涂完整的制造和管理信息，为实现船舶&设计、制造、管理一体化&奠定基础；通过实体和参数化技术为建立具有完整拓扑关系的船舶产品模型提供有力手段；并通过与其他系统的数据接口实现异构CAD的数据和信息集成，为厂、所协同设计创造技术条件等。

The effects of main test parameters on the process of pitting potential of carbon steels have been studied by quasi-steady-state polarization technique and metallographical analysis technique.

采用准稳态的极化试验研究了各主要试验参数对碳钢在3%NaCl溶液中点蚀电位的影响，结果表明：3种碳钢钝化的临界pH值约为8 0 ；当T =2 0℃～35℃时，点蚀电位值Eb10 0 随温度的降低而变正；当电位变化速度慢于30mV/ 30s时，Eb10 0 随电位变化速度的减小而变负；试验面的粗糙度越大，点蚀电位越

Different users have different requestion for the desk-top lathes, so we utilize CAD software, CAD of UG to design every part of drivingstock by the parameter designing.

由于该台车是一种小型车床，主要是针对中小型的零件加工而设计的，不同的用户对其有着不同的要求，因此我们利用了UG CAD计算机辅助设计软件对进给箱的各零部件进行了参数化设计。

In this paper, the structured and unstructured uncertainties are of primary interest, i.e., the modeling error due to the parameters variation and unmodeled modes, especially the friction and sensor dynamics, neglected time delays, etc.

在这篇论文中，构造好的和未构造好的不确定因素是主要的兴趣所在，也就是说模型的误差导致参数变化和未模型化的模式，尤其是摩擦力和敏感元件的力度，被忽视的时间延迟等等。

This paper deals with the connection of CSV diffluence-power and structure and a new idea of initiative design was performed and the CSV volume was optimize designed, the visualization technique was carried out to study variator components stress.

本文主要研究了组合式无级变速器的分流功率与具体结构参数之间的关系，提出了一种主动没计的新思路，同时对组合式无级变速器的体积进行了优化设计，另外运用可视化技术对变速器部件的应力进行了研究。

On the basis of parameterization technology based on feature and assembly modeling technology based on Top Basic Skelton, a Top-down modeling method which combines skeleton model with dominant parts is put forward, and accomplished a product design with it.

本文研究了支持自顶向下设计的产品功能建模与装配模型，在基于特征的参数化技术以及基于顶层基本骨架的建模技术基础上，提出了骨架模型与主导零件相结合的自顶向下建模方法，完成了具体的产品设计。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。