1) characteristic curve & surface
特征曲线曲面
2) characteristic of a family of surface
曲面族的特征线
3) surface feature
曲面特征
1.
The section feature-based and surface featurebased modeling strategies were proposed,and the relationships of the two types of strategies in feature-based RE were also discussed.
为了进一步推动特征技术在反求工程中的应用,支持产品的创新设计,系统地研究了对基于特征的反求工程技术;分析和总结了基于特征的反求工程技术的概念和发展方向;提出了基于曲面特征和基于截面特征的2种建模策略,并分析了它们在基于特征的反求工程建模中的关系。
2.
Now,the complicated surface features with engineering information are demanded by product designers.
特征技术在CAD/CAM领域得到广泛应用,然而现在被应用和主要研究的特征是指规则的形状特征,因此对能有效处理包含复杂曲面并具有特定工程意义的曲面特征开展研究,已成为工程设计制造人员的迫切需要。
3.
Fragmentation method is applied to create model of complicated parametric surface and in consequence,surface feature is analyzed.
采用曲面分片思想建立复杂参数曲面模型并进行了曲面特征分析。
4) characteristic surface
特征曲面
1.
Andappling theorem[1] of propagation of singularities, the regularities of characteristic surfacescan be obtained.
设,为m阶非线性偏微分方程F(x,u,…,D~au,…)=0(|a|≤m)的实解,本文通过特征方法构造其特征曲面,并应用Bony[1]的奇性传播定理证明了特征曲面的正则性,从而获得对Alinhac[2]中条件的一个注记。
5) feature surface
特征曲面
1.
Research on Feature Surface Reconstruction in Reverse Engineering;
逆向工程中基于特征曲面的重构算法研究
2.
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。
6) characteristic curve
特征曲线
1.
An approach to the choice of characteristic curve during the process of reservoir inversion by the process of reservoir inversion of Pinghu Field;
储层反演中有关特征曲线选择的探讨——以东海平湖油气田开发区储层反演为例
2.
The sufficient and necessary conditions of the generalized Liénard system for intersection of positive semiorbits with characteristic curve;
关于广义Liénard系统的正半轨线与特征曲线相交的充要条件
3.
The conditions of the generalized Liénard system for intersection of positive semiorbits with characteristic curve;
一类广义Liénard系统的正半轨线与特征曲线相交的条件
补充资料:特征曲面
特征曲面
characteristic surface
特征曲面〔山别旧川比ri劝csIU血理;xaPaKTe,能c姗:uo肚卜xl.ocT‘l,偏微分方程论中的 同特征(characteristie).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条