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gravity |
الجاذبية : 30 phrases in 12 subjects |
Acridology | 2 |
Agriculture | 1 |
Economy | 1 |
Food industry | 1 |
Hydrology | 2 |
International Monetary Fund | 1 |
Laboratory equipment | 1 |
Medical | 4 |
Oil / petroleum | 2 |
Physics | 4 |
Soil science | 4 |
Water resources | 7 |