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增 强模 : 50 phrases in 14 subjects |
| Air defense | 3 |
| Aviation | 6 |
| Earth sciences | 1 |
| Electronics | 11 |
| General | 1 |
| Genetics | 1 |
| Geophysics | 1 |
| Information technology | 2 |
| Plastics | 9 |
| Semiconductors | 1 |
| Shipbuilding | 1 |
| Space | 5 |
| Technology | 7 |
| Telecommunications | 1 |
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