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| Фраунхофер; Фраунгофер | |||
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夫琅 和 费 : 24 phrases in 7 subjects |
| Antennas and waveguides | 1 |
| Astronomy | 1 |
| Electronics | 2 |
| General | 6 |
| Geology | 1 |
| Radio | 1 |
| Technology | 12 |
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