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| English thesaurus | |||
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| RDS | |||
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Rational : 36 phrases in 13 subjects |
| Agriculture | 2 |
| Astronomy | 2 |
| Automatic control | 1 |
| Communications | 8 |
| Economics | 2 |
| Energy industry | 9 |
| Environment | 3 |
| Fishery fishing industry | 1 |
| Immigration and citizenship | 1 |
| Mathematics | 1 |
| Medical | 2 |
| Scientific | 3 |
| Statistics | 1 |