 |
| |||
| purity of tone; pureness of tone | |||
| чистота тона: 7 phrases in 6 subjects |
| Mass media | 1 |
| Polygraphy | 1 |
| Polymers | 2 |
| Quantum electronics | 1 |
| Spectroscopy | 1 |
| Technology | 1 |
|
| |||
| purity of tone; pureness of tone | |||
| чистота тона: 7 phrases in 6 subjects |
| Mass media | 1 |
| Polygraphy | 1 |
| Polymers | 2 |
| Quantum electronics | 1 |
| Spectroscopy | 1 |
| Technology | 1 |