congruence of spheres

例句：

1. 1. The congruence of spheres is used to describe the shape of a sphere when it is divided into two equal parts.
   球体的共轭用于描述一个球体被分成两个相等部分时的形状。
2. 2. In mathematics, the congruence of spheres is used to study the properties of spherical objects.
   在数学中，球体的共轭用于研究球状物体的属性。
3. 3. The congruence of spheres is an important concept in physics, as it helps usunderstand how objects interact with each other when they are in close proximity.
   球体的共轭是物理学中的一个重要概念，它帮助我们理解当物体彼此靠近时，它们是如何相互作用的。