vector triangle

例句：

1. 1. The vectortriangle is a mathematical concept that describesthe relationship between three points in space.
   向量三角形是一种数学概念，描述了空间中三个点之间的关系。
2. 2. In computer graphics, the vectortriangle is used to represent the shapeof objects.
   在计算机图形学中，向量三角形用于表示对象的形状。
3. 3. The vector triangle is also used in physicsto describe the motion of particles.
   向量三角形也在物理学中用于描述粒子的运动。