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| control point; reference point | |||
| survey control point | |||
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| ground control point; pass point (pass points are used to tie together the adjacent photographs in a single flight strip) | |||
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| control points | |||
| Passpunkt: 13 a las frases, 2 temas |
| Ciencias de la tierra | 1 |
| Óptica rama de la física | 12 |