unruled quadric

例句：

1. 1.The unruled quadric is a shape that has no straight lines.
   不规则四边形是一种没有直线的图形。
2. 2. The mathematician used the unruled quadric to solve complex equations.
   数学家使用不规则四边形来解决复杂的方程。
3. 3. The unruled quadric is often used in computer graphics to create realistic images.
   不规则四边形在计算机图形学中常被用来创建逼真的图像。