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| English thesaurus | |||
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| DFT | |||
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Density : 283 phrases in 49 subjects |
| Acridology | 5 |
| Agriculture | 7 |
| Animal husbandry | 5 |
| Antennas and waveguides | 5 |
| Aviation | 1 |
| Bioenergy | 5 |
| Biology | 3 |
| Chemical fibers | 2 |
| Chemistry | 1 |
| Data processing | 2 |
| Demography | 6 |
| Economics | 2 |
| Electricity generation | 1 |
| Electronics | 16 |
| Environment | 2 |
| Fish farming pisciculture | 1 |
| Fishery fishing industry | 1 |
| Food service and catering | 11 |
| Forestry | 32 |
| General | 8 |
| Genetics | 1 |
| Ichthyology | 1 |
| International Monetary Fund | 1 |
| Lighting other than cinema | 7 |
| Magnetics | 18 |
| Mathematics | 15 |
| Medical | 5 |
| Metrology | 11 |
| Microsoft | 2 |
| Nuclear physics | 2 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 5 |
| Physics | 32 |
| Plastics | 1 |
| Pulp and paper industry | 1 |
| Radio | 8 |
| Radiology | 3 |
| Remote sensing | 8 |
| Soil science | 1 |
| Sound recording | 3 |
| Statistics | 12 |
| Technology | 1 |
| Telegraphy | 1 |
| Telephony | 1 |
| United Nations | 1 |
| Vacuum tubes | 4 |
| Water resources | 3 |
| Wood processing | 17 |
| Zoology | 1 |