 |
| message -switching: 99 phrases in 17 subjects |
| Air defense | 1 |
| Aviation | 12 |
| Business | 6 |
| Communications | 1 |
| Computer networks | 2 |
| Earth sciences | 3 |
| Electronics | 22 |
| General | 1 |
| Information technology | 18 |
| Management | 1 |
| Mathematics | 1 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Shipbuilding | 1 |
| Space | 5 |
| Technology | 14 |
| Telecommunications | 8 |
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