曲面

This aerage is then applied relatie to the surface normal at the current location.

然后，相对于当前位置上的曲面法向应用此平均值。

Wealso define a family of functions named an Anti de Sitter null height function on thetimelike surface.

尽管研究方法是类似的，但是在类时曲面情形可以得到很多新的几何信息。

This invention discloses a kind of extra-thin reflection type projected display imaging method based on free curved surface and object lens.

本发明公开了一种基于自由曲面的超薄型反射式投影显示成像方法及物镜。

The ideals of object oriented program are given out.

船体曲面造型设计软件是以消息驱动和具有图形用户界面的面向对象的软件系统。

False ogive is made of glass fiber reinforced plastic, smooth transition of its curved surface , elegant appearance and high practicability, which is widely used in such Industrial and Mining Enterprises as Power Plants, Rubber Plants and Machinery Manufacturing etc.

风帽采用玻璃钢制作，曲面过渡圆滑、美观大方、实用性强、广泛应用于发电厂、橡胶厂、机械制造等工矿企业及民用建筑的屋顶送排风，其性能参数与T35风机相同。

Two-dimensional texture mappings are summarized in this paper including Catmull algorithm and Blinn algorithm, two-step texture mapping, environment mapping and bump mapping. Moreover, a new method of regional texture mapping based on intermediate surface is presented and a new algorithm is promoted to reduce texture distortion in the process of mapping onto the sphere surface.

在二维纹理方面，本文讨论了适用于参数曲面的Catmull算法与Blinn算法，适用于一般曲面的两步纹理映射技术，现已广为应用的环境纹理映射技术及凸包纹理映射技术，还分析了纹理映射的几种快速反走样技术。

For 3D dressing rendering of fabric, the paper states the theory of 2D texture mapping onto 3D surface. And then, the mapping relations of fabric texture toward garment surface and shading/texturing model are studied, the graphic transformations and texture mip-mapping technology, which concern the 3D dressing display, are put forward too.

针对于织物三维着装效果的展示，论文介绍了纹理映射技术的原理，研究了织物纹理对服装曲面的纹理映射关系和纹理光照模型，并对涉及三维着装图形显示的图形变换和纹理细化技术进行了探讨。

To create a Nurbs sphere and open its property editor.

创建一个曲面领域和开放其财产的编辑。

the method that can analyze the parameters of blade surface by Open Grip language under UG environment is introduced and the example of application is given.

介绍了一种在UG环境下使用Open Grip语言编程分析叶片曲面特征参数的方法，并给出了应用实例。

Profile modeling ; Curve ; Curved surface ; Motion orbit ; Outside curve

因此，有必要对靠模曲线与曲面轮廓线之间关系做以探讨。以仿形车削回转球面为例，讨

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。