topographical map造句

Perhaps a topographical map is better for a particular display than the default map view.

And then, the contour plot will be the topographical map for this graph.

So, in fact, if you have been talking about hiking on mountains, well, that's exactly what a topographical map is about.

But most of topographical map database produced by survey department is only cartographic data, which is vector data structure, but cannot be imported into GIS directly to meet GIS using.

Contour lines extraction from color scanned military topographical maps