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| English thesaurus | |||
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| TOW | |||
| Tube: 325 phrases in 32 subjects |
| Agriculture | 7 |
| Analytical chemistry | 23 |
| Anatomy | 2 |
| Antennas and waveguides | 3 |
| Biology | 1 |
| Botany | 4 |
| Chemistry | 36 |
| Communications | 2 |
| Construction | 21 |
| Economy | 1 |
| Electric machinery | 3 |
| Electronics | 3 |
| Engineering | 1 |
| Environment | 1 |
| General | 8 |
| Health care | 2 |
| Industry | 2 |
| Lighting other than cinema | 2 |
| Magnetics | 1 |
| Mechanic engineering | 4 |
| Medical | 21 |
| Metallurgy | 1 |
| Meteorology | 1 |
| Microsoft | 3 |
| Nuclear physics | 12 |
| Radio | 13 |
| Radiology | 33 |
| Superconductivity | 1 |
| Technology | 12 |
| Thermal Energy | 2 |
| Vacuum tubes | 98 |
| Zootechnics | 1 |