polygon misclosure

例句：

1. 1. The engineer designed a polygonal structure to improve efficiency.
   工程师设计了一个多边形结构来提高效率。
2. 2.The team was working on a project that involved a polygonal misclosure.
   团队正在处理一个涉及多边形不封闭区域的项目。
3. 3.The construction of the bridge required careful planning to avoid any polygonal misclosures.
   建造这座桥梁需要仔细规划，以避免任何多边形不封闭的问题。