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| English thesaurus | |||
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| PC | |||
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Polar : 26 phrases in 16 subjects |
| Acridology | 1 |
| Antennas and waveguides | 2 |
| Biotechnology | 1 |
| Environment | 2 |
| Fishery fishing industry | 1 |
| Genetics | 1 |
| Geography | 2 |
| Horticulture | 1 |
| Ichthyology | 1 |
| Mathematics | 1 |
| Medical | 5 |
| Microbiology | 1 |
| Physics | 1 |
| Radio | 3 |
| Satellite communications | 1 |
| United Nations | 2 |