surveying and mapping

例句：

1. 1. The geologists conducted a thorough survey of the area before beginning their work.
   地质学家在开始工作之前对该地区进行了彻底的勘测。
2. 2. The surveying and mapping team is responsible for creating accurate maps of the city's streets.
   测绘队负责制作城市街道的准确地图。
3. 3.The surveying and mapping process involves collecting data from various sources to create detailed maps.
   测绘过程涉及从各种来源收集数据，以创建详细的地图。