surface feature

An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented.

提出了基于二次曲面拟合误差分析和几何属性分析的特征曲面识别算法.

This system consists of modules of surface simulation, of data input, of interaction modification, of graphics simulation and of surface feature analysis. Some graphics technology used in the system is discussed also.

该系统主要由曲面模拟模块、数据输入模块、交互修改模块、图形仿真模块及曲面点信息分析模块等组成，讨论了应用于该系统的一些图形技术。

Extraction of Blend Surface Feature in Reverse Engineering

反求工程中过渡曲面特征提取算法研究

The surface peak is one of the most indispensable terrain feature point in morphological investigation.

山顶点是地貌形态研究中不可缺少的地形特征点之一。

In shallow water equation the flux function uses TVB feature format, and it effectively tracks the movement shock on the surface of the water.

浅水方程中通量函数使用了TVB特征处理格式，有效的跟踪了水体表面的运动激波。

The dislocation, generated by large earthquake, may cause the surface feature changed from its original state.

大地震产生的断错，能改变震前的地表形态，这种改造后新出现的地形景观称为地震断错地貌。

They include all the surface or feature inaccuracies.

包含了所有表面或形体特徵的不精确.

Through the analysis of the profile spectral moments and the surface spectral moments, a new measurement value of terrain feature& isotropy coefficient is presented, which is based on the application of fractal geometry theory.

基于分形几何理论，通过分析地形表面的轮廓谱矩和表面谱矩的特性，提出一种地形特征度量值&等方性系数；

Free form surface is most important feature to shape of product such as plane, automobile, motorcycle.

自由曲面是工业产品,尤其是飞机 、 汽车 、 摩托车等行业产品外形的重要特征.

Shape features of coarse aggregates include contour shape, angular features and surface texture. Contour shape represents the overall shape ratio of a particle, angular feature is the prominent degree of the angular on the profile, and texture describes the surface roughness of a particle.

粗集料形态特征包括轮廓形状，棱角特征和表面纹理，轮廓形状表征的是颗粒的整体形状尺寸比例，棱角性表征的是颗粒轮廓上棱角的突出程度，纹理描述的是颗粒表面的粗糙度。

The infection of different concentration chitosan-acetic acid solution surface sizing to the technical feature of paper was studied.

摘要研究了不同浓度的壳聚糖－醋酸溶液表面施胶对纸的技术性能的影响。

The special feature of the new testing method is that a cake-like sand test piece with V-shape groove on its surface is heated from bottom to top in a new-designed high temperature shock heating furnace.

新试验方法的特点是采用表面有V形沟槽的圆饼形型砂试件，在激热试验炉中受到自下而上的高温烘烤。

Scanned Surface Feature Extraction in Reverse Engineering

反求工程中扫描曲面特征的提取

Surface Feature of Corrosion Wear on Grey Cast Iron

灰口铸铁的腐蚀磨损表面特征

The terrain feature points which widely range on earth surface structure the terrain, skeleton, and have definite control action of landform.

广泛分布在地球表面的地形特征点构成了地形骨架，对地形地貌具有一定的控制作用。

Realization of Classification with Computer to Surface Feature in Dawa County

大洼县地物类型分类的计算机实现