orthogonality theorem

例句：

1. 1. The orthogonalitytheorem is a fundamental principle inphysics.
   正交定理是物理学中的一个基本原理。
2. 2. In mathematics, the orthogonality theorem is used to provethat two vectors are perpendicular.
   在数学中，正交定理被用来证明两个向量是垂直的。
3. 3.The orthogonality theorem has beenapplied to various fields, including engineering andcomputer science.
   正交定理已经被应用到各个领域，包括工程和计算机科学。