 |
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| свободный индекс | |||
| бесплатный номер (oleg.vigodsky) | |||
| free number: 24 phrases in 12 subjects |
| Aerohydrodynamics | 2 |
| Astronautics | 1 |
| Aviation | 2 |
| Electronics | 1 |
| General | 2 |
| Makarov | 1 |
| Mass media | 3 |
| Mathematics | 2 |
| Nanotechnology | 3 |
| Technology | 1 |
| Telecommunications | 2 |
| Telephony | 4 |