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| ступень временной коммутации (oleg.vigodsky) | |||
| time stage: 36 phrases in 11 subjects |
| Astronautics | 2 |
| Automated equipment | 1 |
| Communications | 1 |
| General | 1 |
| Hydrology | 1 |
| Makarov | 1 |
| Mass media | 2 |
| Medical | 2 |
| Programming | 1 |
| Telecommunications | 22 |
| Telephony | 2 |
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