这张地图详细标注了该地区的等高线和地形特征。

This map shows the ___topography of the region with detailed contour lines and features.

我们在远足前仔细研究了这片山区的地形。

We studied the ___topography carefully before hiking in this mountain area.

这位经验丰富的地形测量员一眼就能看出地形的高低起伏。

The experienced ___topo could instantly tell the elevation changes of the terrain.