ridge : 53 phrases in 14 subjects |
Acridology | 2 |
Agriculture | 4 |
Antennas and waveguides | 1 |
Botany | 1 |
Food industry | 1 |
Forestry | 8 |
General | 1 |
Genetics | 1 |
Mathematics | 1 |
Medical | 28 |
Oceanography & oceanology | 1 |
Oil / petroleum | 1 |
Soil science | 2 |
Water resources | 1 |