topographic plotting

例句：

1. 1.The surveyor used topographic plotting to map the terrain accurately.
   测量员使用地形绘图准确地绘制了地形。
2. 2. The engineer conducted topographic plotting to ensure the safety of the construction site.
   工程师进行了地形绘图，以确保施工现场的安全。
3. 3. The geologist used topographic plotting to identify the location of a potential oil field.
   地质学家使用了地形绘图来识别潜在的油田位置。