orthogonal array

例句：

1. 1. The orthogonal projection of a vector onto another vector is the dot product of the two vectors.
   一个向量在另一个向量上的正交投影是两个向量的点积。
2. 2.In geometry, an orthogonal array is a set of points arranged in a regular polygon such that each point is equidistant from all other points.
   几何学中，正交阵列是指一组按规则多边形排列的点，每个点都与所有其他点等距。
3. 3. When designing a network topology, it's important to ensure that all nodes are orthogonal to eachother.
   设计网络拓扑时，确保所有节点彼此正交是很重要的。