orthogonal geometry

例句：

1. 1.The geometry of the room is orthogonal to the wall.
   房间的几何形状与墙成直角。
2. 2. The orthogonal projection of a point onto a plane is its distance from the origin.
   一个点在平面上的正交投影是它到原点的距离。
3. 3. In physics, orthogonal coordinates are used to describe the position and orientation of objects in space.
   在物理学中，正交坐标用于描述物体在空间中的位置和方向。