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| English thesaurus | |||
| |||
| text database (ssn) | |||
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database of : 28 phrases in 12 subjects |
| Communications | 1 |
| Earth sciences | 1 |
| Finances | 2 |
| General | 4 |
| Immigration and citizenship | 1 |
| Information technology | 5 |
| Law | 1 |
| Life sciences | 1 |
| Natural sciences | 1 |
| Patents | 8 |
| Politics | 1 |
| Statistics | 2 |