Gaussian reference sphere

例句：

1. 1. The Gaussian referencesphere is used to calculate the average distance between two points on a surface.
   高斯参考球体用于计算两个点在表面上的平均距离。
2. 2. In physics, the Gaussian reference sphere is often used to represent a sphere of infinitesimal volume.
   在物理学中，高斯参考球体通常用来表示一个体积无限小的球体。
3. 3. The Gaussian reference sphere is also used in computer graphics to define the boundaries of an object.
   高斯参考球体在计算机图形学中用于定义物体的边界。