a curve or surface whose equation (in Cartesian coordinates) is of the second degree
例句
用作形容词 (adj.)
To solve the problem of quadric surface reconstruction in reverse modeling for mechanical parts, a two-step fitting algorithm was presented. 摘要针对机械零件反求建模过程中常见二次曲面的表面重建问题，提出了曲面拟合分步计算法。
Lastly, experiments were performed to evaluate the performance of this method in comparison with the methods using linear classifier and quadric surface. 最后，为了评估该方法的性能，分别使用线性分割器和二次曲面分割器的方法进行了对比实验。
用作名词 (n.)
In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form. 利用二次型解决了双协变量的方差分析方法。
An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented. 摘要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。
An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented. 摘要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。
Lastly, experiments were performed to evaluate the performance of this method in comparison with the methods using linear classifier and quadric surface. 最后，为了评估该方法的性能，分别使用线性分割器和二次曲面分割器的方法进行了对比实验。
美
['kwɒdrɪk]
