 |
| |||
| height difference in the terrain; difference in elevation of the ground | |||
| Höhenunterschied des Geländes: 5 phrases in 1 subject |
| Optics branch of physics | 5 |
|
| |||
| height difference in the terrain; difference in elevation of the ground | |||
| Höhenunterschied des Geländes: 5 phrases in 1 subject |
| Optics branch of physics | 5 |