 |
| |||
| optical component | |||
| элемент оптической системы: 7 phrases in 4 subjects |
| Astronomy | 1 |
| Automated equipment | 1 |
| Electronics | 4 |
| Mass media | 1 |
|
| |||
| optical component | |||
| элемент оптической системы: 7 phrases in 4 subjects |
| Astronomy | 1 |
| Automated equipment | 1 |
| Electronics | 4 |
| Mass media | 1 |