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| вторичные часы | |||
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controlled clock : 21 phrases in 11 subjects |
| Automated equipment | 2 |
| Computers | 2 |
| Electrical engineering | 2 |
| General | 1 |
| Information security and data protection | 2 |
| Information technology | 3 |
| Mass media | 1 |
| Metrology | 1 |
| Navigation | 1 |
| Oilfields | 1 |
| Technology | 5 |