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| English thesaurus | |||
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| PC | |||
| Perfect: 197 phrases in 46 subjects |
| Accounting | 1 |
| Agriculture | 1 |
| Alternative dispute resolution | 1 |
| American usage, not spelling | 1 |
| Artificial intelligence | 6 |
| Astronomy | 5 |
| Biology | 1 |
| Boxing | 2 |
| Business | 6 |
| Chemistry | 8 |
| Communications | 5 |
| Computers | 2 |
| Construction | 10 |
| Earth sciences | 4 |
| Economy | 7 |
| Electronics | 7 |
| Finances | 2 |
| Foreign trade | 1 |
| General | 51 |
| Grammar | 2 |
| Gymnastics | 1 |
| Health care | 2 |
| High energy physics | 1 |
| Idiomatic | 1 |
| Immigration and citizenship | 1 |
| Information technology | 5 |
| Law | 1 |
| Life sciences | 2 |
| Lighting other than cinema | 2 |
| Mathematics | 3 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Medical | 3 |
| Metallurgy | 3 |
| Microelectronics | 2 |
| Mineralogy | 1 |
| Optics branch of physics | 9 |
| Ornithology | 1 |
| Physics | 19 |
| Polygraphy | 2 |
| Radio | 2 |
| Refrigeration | 4 |
| Superconductivity | 1 |
| Technology | 2 |
| Telegraphy | 2 |
| Transport | 2 |