first angle projection

例句：

1. 1. The first angle projection method is widely used in the field of computer graphics.
   第一角投影方法在计算机图形领域广泛使用。
2. 2. In the design of a new building, the first angle projection method is often used to determine the optimal layout.
   在新建筑的设计中，经常使用第一角投影法来确定最优布局。
3. 3.The first angle projection method is an effective way to analyze the spatial distribution of objects in a three-dimensional space.
   第一角投影法是一种有效的方式来分析三维空间中物体的空间分布。