| |||
difficult terrain (LadaP) | |||
hostile terrain | |||
challenging terrain (translator911) | |||
rugged topography | |||
rugged relief (Leonid Dzhepko) | |||
composite topography (сформированный в течение двух или более циклов эрозии) |
сложный рельеф : 8 phrases in 6 subjects |
Cartography | 2 |
Ecology | 2 |
General | 1 |
Geology | 1 |
Makarov | 1 |
Rail transport | 1 |