1. The field of polygonometry involves the measurement and calculation of various properties of polygons.
多边形测量学涉及对多边形的各种属性进行测量和计算。

2. Polygonometry is often used in surveying and engineering to determine the area, perimeter, and angles of irregular shapes.
多边形测量经常被用于测量和工程中，以确定不规则形状的面积、周长和角度。