参数化

Substitute surface conception was introduced in the tolerance modeling. Intrinsic deviation between the substitute surface and the theoretical surface was described by vector function on the basis of the vector parametric representation of the theoretical surface.

引入替代表面的概念，基于理论表面矢量参数化表示，用矢函数来描述替代表面和理论表面之间的本质特征偏差。

It uses an unmanned air vehicle with flying-wing configuration as a test example, presents the three key elements of the approach: the parametric representation of the aircraft structural and internal layout; the model templates for structural elements; the clash check and position adjustment algorithm for internal layout.

该方法有3个关键点：(1)飞机结构布置与内部装载布置的参数化描述；(2)结构件模板的设计；(3)内部装载干涉检查和位置调整算法。

Therefore, comparing with the traditional CAD system adopting the method of manual entirely for creating the addendum surface and the binder surface, the parametric design of the addendum surface and the binder surface has become the trend for its high efficiency and convenience of modification.

因而，相对于传统的CAD系统采用全手动方式来生成工艺补充部分的方法，工艺补充部分的参数化设计以其时间上的高效率和修改的方便性成为发展的趋势。

Design method and process are introduced for variable relation parametric based on graph modelon.

给出了基于关系数据库的面向图形结构单元的自组织参数化设计方法和过程。

In this paper,the parametric waveriders designed with variable wedge angle is being studied.

开展变楔角参数化乘波器的研究。

Based on CAD/CAM/CAE software——I DEAS Master Series,the standard feature library suitable to accumulator type unit injector is built up.A research on its variable structure,parametric design and 3 dimensional structure FEA is carried on with advanced CAD/CAE technique.It ensures the successful design of accumulator type unit injector.

本文基于大型CAD／CAM／CAE软件I－DEASMasterSeries，采用先进的CAD／CAE技术，建立了适于蓄压式泵喷嘴的标准特征库，对其进行变结构、参数化设计及3维有限元结构计算研究，为蓄压式泵喷嘴结构的设计成功提供了可靠的保证。

And this system is an applied instance of the parametric design system.

该系统同时也作为参数化设计系统的一个应用平台。

There is somehow an assumption that you build one parametric model, and that's it.

可能有一种假设认为，一旦你的参数化模型建完，就万事大吉了。

You can't really say theories push the application of parametric design, can you?

你不能片面地说理论推动了参数化设计的应用，是么？

The parametric design method, which has good application prospects, is one of important research directions in CAD.

参数化设计方法己经成为计算机辅助设计的一个重要研究方向，有着良好的应用前景。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新