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Internet engineering : 21 phrases in 10 subjects |
| Agriculture | 1 |
| Air defense | 2 |
| Aviation | 1 |
| Computer networks | 4 |
| Cryptography | 1 |
| Electronics | 1 |
| Information technology | 4 |
| Multimedia | 2 |
| Space | 1 |
| Telecommunications | 4 |
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