 |
| |||
| frequency standard | |||
| frequency reference | |||
| стандарт частоты: 63 phrases in 14 subjects |
| Electronics | 14 |
| Energy industry | 1 |
| General | 1 |
| Household appliances | 5 |
| Makarov | 4 |
| Mass media | 14 |
| Metrology | 1 |
| Military | 3 |
| Physics | 7 |
| Quantum electronics | 4 |
| Security systems | 2 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 2 |