polyhedral angle

例句：

1. 1. The polyhedral angle of the building is very sharp.
   这座建筑的多面角非常尖锐。
2. 2. The architect designed the building with a unique polyhedral angle.
   这位建筑师设计了一座具有独特多面角的建筑。
3. 3. The engineer measured the polyhedral angle of the roof to ensure its stability.
   工程师测量了屋顶的多面角，以确保其稳定性。