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| English thesaurus | |||
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| OCP | |||
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Open Core : 34 phrases in 13 subjects |
| Antennas and waveguides | 1 |
| Electrical engineering | 2 |
| Electronics | 5 |
| Forestry | 1 |
| Foundry | 1 |
| Makarov | 1 |
| Metallurgy | 1 |
| Military | 1 |
| Radioengineering | 4 |
| Rail transport | 2 |
| Space | 1 |
| Technology | 13 |
| Telecommunications | 1 |