degree of curve

例句：

1. 1. The radius of the circle is equal to its degree of curve.
   圆的半径等于它的曲率。
2. 2. The angle between two lines determines their degree of curve.
   两条线之间的夹角决定了它们的曲率。
3. 3. The degree of curve is used to describe the shape and size of an object.
   曲率是用来描述物体的形状和大小的。