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- A new method for fast image generation of quadratic surfaces based on equi-intensity curves is proposed on the basis of the geometric model and the shading model analysis. 在对二次曲面的空间几何模型和光照模型分析的基础上，提出了基于等灰度线生成二次曲面的快速成象方法。
- The coma aberation and astigmation are rec t ified through carefully selecting the position of aperture stop and the paramete rs of the quadratic surface. 仔细选取系统的光阑位置，选取二次曲面的系数及二次曲面的位置，可以校正系统的参差及像散。
- The circle line of several kinds of common quadratic surfaces 几种常见二次曲面的圆截线
- A Study on Section Line of Quadratic Surface 二次曲面截交线的研究
- Intersect line of quadratic surface 相贯线
- Asphalt is used for making road surfaces. 沥青常用于铺路。
- End Milling Method for Cutting Quadratic Surface of Small Curvature 用侧铣法加工小曲率曲面的二阶切触
- Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
- A Solution Method of Parallel Circle Group on the Quadratic Surface 二次曲面平行圆族的求法
- Their difference is a quadratic residue of 17. 它们的差是17的平方剩余。
- On reaching welding heat, the metal surfaces are pressed together. 当金属表面达到焊接热度时就会压在一起。
- The branch of algebra that deals with quadratic equations. 二次方程式论处理二次方程式的代数学的分支
- Of or relating to geometric surfaces that are defined by quadratic equations. 二次曲面的由二次方程式所定义的几何平面的，或与其有关的
- Some quadratic equations have no real roots. 某些二次方程没有实数根。
- Frosty windows make great surfaces for children to draw on. 有霜的窗户是孩子们画画的好地方。
- X2+3X+2=12 is a quadratic equation. X2+3X+2=12是一个二次方程式。
- Virtual Experimental Design of the Quadratic Surface Base on Computer 二次曲面绘制的计算机虚拟实验设计
- Quadratic approximations in two dimensions. 二维中的二次逼近法。
- Use quadratic (10-node) tetrahedra if available. 10节点四面体单元？
- Quadratic splines need at least 3 points. 二次曲线样条至少需要3个点。
