参数化

By the method of inputting the insert point coordinate or specifying an insert point on the screen, the drawing of a standard part can be designed w...

通过输入插入点坐标或在屏幕上指定插入点的方法在相应位置利用参数化绘图生成标准件图形

By usingthe relation between the Bergman kernel and the Riemann mapping and Plemly for-mulae,the second boundary integral equation about the Bergman kernel is obtained,moreover,the integral kernel is a continuous,without any singularity,parametized Neu-mann kernel.We discuss the case of some symmetric property,and get correspondingresults.

主要利用Bergman核与Riemann映照之间的关系，推导出Bergman核满足带有参数化Neumann核的第二类边界积分方程，积分核是连续的没有任何奇性，并讨论了具有某种对称性质的情形。

Freezing soil is a natural phenomina in cold and mountain areas, which has great impact on the regional climate, water cycle, and water balance. The land surface process in the condition of soil freezing and thawing is one of the most important process in the area. This paper firstly reviews the present study on land surface process in the condition of soil freezing and thawing, especially the development after the the hydrological land surface model introduced into the study of General Circulation Model, then introduces the undergoing international research project, such as Project for Intercomparison of Land-surface Parameterization Schemes and Cold Land Process Field Experiment by NASA, and finally analyses and puts forward the future research field and topics.

冻土是全球中高纬地区和高山地带普遍存在的自然现象，它对全球以及区域性气候、水循环、水平衡等都有着巨大的影响，土壤冻融条件下的陆面过程正是这种影响的重要环节，介绍了土壤冻融条件下陆面过程的研究现状，特别是在大气环流模型中引入水文陆面模型以来陆面过程研究的迅猛发展，对现在国际上正在进行的考虑冻土的陆面过程研究项目，如陆面过程参数化比较计划的第二阶段第五期PILPS (2E)以及美国NASA的寒区陆面过程实地试验计划也进行了介绍，并在此基础上对土壤冻融条件下陆面过程的发展趋势进行了分析。

To program a command document of numerical simulation of the crane structures as the vehicles lifting loads by the parameterized model, the internal command of ANSYS and APDL, realize the moving crane numerical simulation and get result.

用建立好的有限元参数化模型和ANSYS的内部命令以及APDL语言编写了小车吊载运动过程中起重机运动数值仿真的命令流文件，具体实现了仿真，得出结论。

By using in a sequence the eigen-decomposition,a permutation,the inverse discrete Fourier transformand a truncation on the matrix,an exact and explicit parametrization formula for Loop subdivision surfaces is proposed.

利用控制网格拓扑结构的对称性，通过将奇异点周围1-环和2-环的控制顶点进行离散Fourier变换得到分块对角阵，将其进行特征分解及排序之后，再通过离散Fourier逆变换和截断等操作得到细分矩阵的高次幂的表达式，从而得到Loop 细分曲面新的精确参数化公式

In comparison of various parametric modeling methods, the method and reliable steps of involute drum gear modeling are proposed.

通过对现阶段各种参数化造型的方法进行比较，从计算机实现的角度对渐开线鼓型齿轮设计提出了可行的方法与步骤。

We use the idea of isothermal parameter representation to prove a convergence theorem, which serves as an important theoretical base of studying the problem of rational Bézier surface.

运用等温参数化思想证明了一个收敛定理，作为用Dirichlet能量函数方法研究有理Bézier极小曲面问题的重要理论基础。

The paper builds finite element model of portal crane jib system using girder element, besides it presents its principles and process so that the foundation of this method is established. Besides, the paper builds the model in APDL which is easier to modify and administrate.

运用有限元分析软件ANSYS8.1对门座起重机的臂架系统建立有限元模型，给出了用梁单元建立有限元模型的原则和步骤，为今后用梁单元进一步开展门座起重机的有限元分析奠定基础，而且采用APDL语言可以实现参数化建模，对于模型易于修改、便于管理。

0 Under the environment of SolidWorks,and includes contact stress analysis study on joggle models of helical gear and helical gear axis with CosmosWorks.

介绍了在SolidWorks环境下用VisualC++编程实现斜齿轮和斜齿轮轴三维参数化建模的方法，并用CosmosWorks对斜齿轮和斜齿轮轴的啮合模型作接触应力分析研究。

Kc can be used to examine and control quality and processing degree of semi-finished products.

通过测定在制品的压缩因子，可以对在制品的加工质量和加工程度进行参数化检测和控制。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。