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Communications Interface : 117 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 14 |
| Communications | 1 |
| Computer networks | 7 |
| Economics | 1 |
| Electronics | 30 |
| Information technology | 13 |
| Multimedia | 2 |
| Project management | 2 |
| Space | 18 |
| Technology | 7 |
| Telecommunications | 16 |