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| Alter function; filtering function | |||
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функция фильтра : 18 phrases in 10 subjects |
| Antennas and waveguides | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Mass media | 5 |
| Mathematics | 1 |
| Military | 1 |
| Quantum electronics | 1 |
| Telecommunications | 4 |
| Transport | 2 |
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