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|
duplexing : 31 phrases in 13 subjects |
| Antennas and waveguides | 2 |
| Computers | 2 |
| Electronics | 4 |
| High frequency electronics | 1 |
| Information technology | 4 |
| Mass media | 2 |
| Metallurgy | 1 |
| Polygraphy | 1 |
| Programming | 5 |
| Radioengineering | 1 |
| Security systems | 2 |
| Technology | 1 |
| Telecommunications | 5 |