单词quadric
adj.: 【数】二次的；二次曲面的
n.: 【数】二次；二次曲面
网络: 四；二次柱面
【数学】二次的;二次曲面的
【数学】二次;二次曲面
复数：quadrics
generally speaking, when two cylinders intersect each other, the surface intersecting line might be space quadric curve.
两圆柱相交时其表面交线一般情况下是空间四次曲线。
In the soft adjacent rock, the support time of quadric liner as the main loading structure and the last water-proof line is very important.
在软弱围岩中，作为主要承载结构和最后一道防水线的二次衬砌的支护时间至关重要。
Then, on this basement, the method of calculating the control vertex and weights was given while representing quadric surfaces using NURBS.
在此基础上给出了二次曲面进行NURBS表示时控制顶点和权因子的计算方法。
Quadric reflectors have only one pair ideal conjugate pointses, and axial mirror have a pair of approximately conjugate area .
二次曲面的反射系统只有一对理想共轭点，在傍轴条件下，有一对准共轭区。
Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts.
在机械产品的逆向工程中，针对测量数据提取常用二次曲面是非常重要的。
The dual porosity model with a quadric pressure gradient term in fracture phase is presented in the paper.
建立了裂缝相中带二次压力梯度项的双孔隙度模型。
A new method of completing the square with reverse order is presented by change quadric form into standard form.
提出了一种新的将二次型化为标准型的配方法——逆序配方法。
At last, the commonly methods and steps for represention quadric surfaces using NURBS was find.
最后总结出了二次曲面进行NURBS表示的一般方法和步骤。
Conic sections and quadric surfaces .
二次曲线与二次曲面。
Half-edge contraction based on vertex type and quadric error metrics.
根据顶点类型及二次误差度量进行半边收缩，得到简化网格。