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| teleskopisches System | |||
| Fernrohrsystem n; Teleskopsystem n; teleskopisches brennpunktloses System | |||
| телескопическая система: 21 phrases in 7 subjects |
| High energy physics | 8 |
| Military | 1 |
| Nuclear physics | 4 |
| Optics branch of physics | 3 |
| Quantum electronics | 1 |
| Shipbuilding | 1 |
| Technology | 3 |