1) Qu characteristics
制曲特征
2) 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
5) feature curve
特征曲线
1.
Dominant point representation of feature curves based on shape recognition for radiation image;
基于辐射图像形状识别的特征曲线控制点表达研究
2.
Four texture feature curves based on the statistics of geometrical and topological properties of the solids induced by the graph and a variable horizontal plane are used to characterize the texture.
提出的方法被称为统计地形特征,它首先用一个可变水平平面去切割图像函数的图可得到一些实体,然后从这些实体的几何和拓扑属性推导出4条特征曲线来描述纹理特征。
6) 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。
补充资料：接受者操作特征曲线
接受者操作特征曲线
receiver operating characteristic curve, ROC curve
接受者操作特征曲线(reeeiver operatingeharaetoristie eurve，ROC eurve)在信号检测论实验中，根据实验结果的若干对击中条件概率和虚报条件概率，在以击中条件概率为纵坐标、虚报条件概率为横坐标的直角坐标系上所画出的曲线。这条曲线表示被试的辨别力或感受性。 (全志成撰林仲贤审)
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