perpendicular axis theorem

例句：

1. 1.The theorem states that the sum of the lengths of any two perpendicular lines is always equal to the distance between their endpoints.
   该定理表明，任意两条垂直线的长度之和总是等于它们端点之间的距离。
2. 2. In mathematics, this theorem is fundamental and has applications in many areas such as physics, engineering, and computer science.
   在数学中，这个定理是基础的，并且在物理学、工程学和计算机科学等领域有广泛的应用。
3. 3. The theorem was discovered by a mathematician named Isaac Newton, who also made significant contributions to other fields such as optics and thermodynamics.
   这个定理是由一位名叫艾萨克·牛顿的数学家发现的，他还在其他领域做出了重要的贡献，如光学和热力学。