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| automatic retrieval: 45 phrases in 14 subjects |
| Automobiles | 1 |
| Aviation | 4 |
| Business | 1 |
| Computers | 1 |
| Earth sciences | 2 |
| Electronics | 13 |
| General | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Information technology | 4 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 6 |
| Telecommunications | 4 |
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