vertical vector

例句：

1. 1.The architect drew a vertical vector to show the building's structure.
   建筑师画了一条垂直线来展示建筑物的结构。
2. 2. In computer graphics, a vertical vector is used to define the direction of an object's movement.
   在计算机图形中，垂直向量用于定义对象移动的方向。
3. 3. The engineer used a vertical vector to calculate the distance between two points on the map.
   工程师使用垂直向量来计算地图上两点之间的距离。