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detector : 106 phrases in 15 subjects |
| Chemistry | 16 |
| Coal | 2 |
| Communications | 31 |
| Earth sciences | 4 |
| Education | 1 |
| Electronics | 19 |
| Environment | 7 |
| Information technology | 4 |
| Life sciences | 1 |
| Mechanic engineering | 2 |
| Medical | 4 |
| Microsoft | 2 |
| Natural sciences | 5 |
| Technology | 1 |
| Transport | 7 |
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