 |
| |||
| тональная частота | |||
| акустическая частота; звуковая частота | |||
| sound frequency: 36 phrases in 13 subjects |
| Acoustics | 1 |
| Armored vehicles | 1 |
| Electronics | 5 |
| Household appliances | 1 |
| Hydrology | 1 |
| Makarov | 1 |
| Mass media | 7 |
| Medical appliances | 1 |
| Metallurgy | 2 |
| Radio | 1 |
| Technology | 9 |
| Telecommunications | 3 |
| Television | 3 |