 |
| |||
| standard time signal system | |||
| система точного времени: 12 phrases in 6 subjects |
| Hi-Fi | 1 |
| Mass media | 3 |
| Metrology | 1 |
| Military | 3 |
| Programming | 1 |
| Technology | 3 |
|
| |||
| standard time signal system | |||
| система точного времени: 12 phrases in 6 subjects |
| Hi-Fi | 1 |
| Mass media | 3 |
| Metrology | 1 |
| Military | 3 |
| Programming | 1 |
| Technology | 3 |