supplementary triangulation

例句：

1. 1. The engineer used supplementary triangulation to accurately measure the distance between the two points.
   工程师使用补充三角测量准确地测量了两点之间的距离。
2. 2. During the construction of a new bridge, supplementary triangulation was used to ensure structural integrity.
   在建造一座新桥的过程中，使用了补充三角测量来确保结构的完整性。
3. 3. The surveyor conducted supplementary triangulation to gather more precise data for the project.
   调查员进行了补充三角测量，以收集更精确的数据为项目服务。