勘查

例句：

1. 1. The geologists conducted a thorough investigation of the area.
   地质学家对该地区进行了彻底的调查。
2. 2. The engineers are conducting an extensive review of the project plans.
   工程师们正在对项目计划进行广泛的审查。
3. 3. The archaeologists have begun their excavation work on the ancient ruins.
   考古学家已经开始对古代遗迹进行挖掘工作。