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- elliptic quadric hypersurface 椭圆型二次超曲面
- Normalization of quadric hypersurface equation in n- dimension affine space n维仿射空间中超二次曲面方程的规范化
- noncentral quadric hypersurface 无心二次超曲面
- imaginary quadric hypersurface 虚二次超曲面
- quadric hypersurface 二次超曲面
- singular quadric hypersurface 奇二次超曲面
- real quadric hypersurface 实二次超曲面
- parabolic quadric hypersurface 抛物型二次超曲面
- central quadric hypersurface 有心二次超曲面
- The rotation in the elliptic is retrograde. 在椭圆内的运动属于逆进型。
- We call this surface the stress quadric. 我们称这个曲面为应力二次曲面。
- The Earth's path round the sun is elliptic. 地球绕太阳的轨迹是椭圆的。
- Nutlet is Brown, long elliptic, have 3 edge. 小坚果褐色,长椭圆形,具3棱。
- The dialogue is elliptic and full of dark hints. 这次谈话很简单,充满了模糊的暗示。
- Sepals 5, petaloid, white, elliptic. 萼片5,瓣状,白色,椭圆形。
- Conic sections and quadric surfaces. 二次曲线与二次曲面。
- Anthers elliptic, ca. 0.5 mm.Gynostemium 6-lobed. 花药椭圆形,约0.;5毫米。
- Leaf blade usually ovate to elliptic, or obovate. 叶片通常卵形的到椭圆形,或倒卵形。
- Staminodes narrowly elliptic, 5--6 mm. 退化雄蕊狭椭圆形,5-6毫米。
- Bernhard Riemann pioneered elliptic geometry. 伯恩哈德·黎曼开辟了椭圆几何学。