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- concentric conics 同心二次曲线
- The circular points are really a degenerate conic. 虚圆点实际上是一退化的二次曲线。
- The centres of concentric circles coincide. 同心圆的圆心是一个。
- A family of parallel lines cut the conic. 有一组平行线与圆锥曲线相交。
- A ratio describing the shape of a conic section. 描述圆锥曲线部分形状的比率。
- The figure bounded by and containing the area between two concentric circles. 圆环域以两个同心圆为界的图形或两圆之间包括的图形
- It consists of a pair of concentric cylinder. 它由一对同轴的圆筒组成。
- The conic is represented by implicit equation. 曲线不是用通常的二曲线方程来表示 ;而是用一种带参数的函数样条来表示 .
- Conic sections and quadric surfaces. 二次曲线与二次曲面。
- Master, Universal Conic Warp Preparation Finished. 主人,二次元曲线扭曲宇宙通道准备完毕。
- The centers of concentric circles coincide. 同心圆的圆心重合。
- Stylopodium conic;styles short, erect or reflexed. 花柱基圆锥形花柱短,竖立或反折。
- Concentric circles were made in the water. 同心圆的波纹在水面上散开。
- The polar line of a point with respect to a conic. 一点相对于一条二次曲线的极线。
- Stylopodium conic, base margin dilated, undulate. 花柱基圆锥形,基部边缘扩大,波动。
- Concentric spheres are parallel. 同心球面是平行的。
- Stylopodium conic;styles short, divaricate. 花柱基圆锥形花柱短,极叉开。
- To form concentric rings or spirals. 绕成盘状形成同心环或螺旋线
- Stylopodium conic;styles slender, erect. 花柱基圆锥形花柱纤细,直立。
- To wind in concentric rings or spirals. 盘绕绕成同心环或螺旋线