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звуковоспроизводящая | оптическая система
| оптическая система | |
| astr. | Abbildungssystem; Optik; optisches System |
| cinema.equip. | optische Anordnung |
| mil., navy | Linsensystem |
| звуковоспроизводящая: 81 phrases in 9 subjects |
| Automated equipment | 1 |
| British usage, not spelling | 4 |
| Cinema equipment | 54 |
| Electronics | 8 |
| General | 2 |
| Photographical sound recording | 3 |
| Projectors | 2 |
| Radio | 1 |
| Technology | 6 |