Archaeologists used advanced ground penetrating radar, GPR, which helped them scan the town at different depths.

考古用先进的探雷达（GPR），帮助他们在不同深度扫描城镇。

GPR has major implications for archaeologists who study ancient cities that cannot be excavated because of modern structures.

探雷达对于研究因现代结构而无法挖掘的古城的考古具有重大。

He and colleagues used ground-penetrating radar (GPR) to detect invisible traces of footsteps in White Sands National Monument in New Mexico.

他和同事用探雷达 (GPR) 检测新墨西哥州白沙国纪念碑中看不见的足迹。