left-handed coordinate system

例句：

1. 1.The left-handed coordinate system is used to designate the position of objects on a computer screen.
   左手坐标系用于指定计算机屏幕上物体的位置。
2. 2. In the left-handed coordinate system, the right side of the screen is considered the top.
   在左手坐标系中，屏幕的右侧被视为顶部。
3. 3.The left-handed coordinate system is commonly used in engineering and manufacturing industries.
   左手坐标系在工程和制造行业中被广泛使用。