| 摘要 |
A method for surveying a railway section is provided comprising the steps: providing surveying means which are movable along a track extending substantially in parallel and elevated relative to said railway section; moving said surveying means along said track while surveying the railway section and producing images thereof, and analyzing said images. An assembly for surveying a railway section is provided too, with surveying means for producing images of said railway section; a track positioned substantially in parallel and elevated relative to said railway section for moving therealong the surveying means, and analyzing means for analyzing the images produced by the surveying means.
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