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| تَركيز: 60 phrases in 21 subjects |
| Biotechnology | 1 |
| Economy | 1 |
| Energy industry | 2 |
| Environment | 4 |
| Fishery fishing industry | 1 |
| Forestry | 1 |
| Hydrology | 2 |
| International Monetary Fund | 9 |
| Laboratory equipment | 2 |
| Lighting other than cinema | 2 |
| Metrology | 4 |
| Name of organization | 1 |
| Physics | 2 |
| Radio | 6 |
| Radiology | 3 |
| Socialism | 6 |
| Soil science | 5 |
| Thermal Energy | 1 |
| Vacuum tubes | 5 |
| Video recording | 1 |
| Water resources | 1 |