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| активное время | |||
| полезное время; располагаемое время; полезная отдача времени | |||
| 有 效时间: 47 phrases in 10 subjects |
| Aerohydrodynamics | 1 |
| Business | 5 |
| Economy | 2 |
| Electronics | 9 |
| General | 10 |
| Information technology | 1 |
| Missiles | 1 |
| Nautical | 1 |
| Security systems | 1 |
| Technology | 16 |
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