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| 自检 数: 18 phrases in 11 subjects |
| Aviation | 4 |
| Business | 2 |
| Computers | 1 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 1 |
| Geology | 1 |
| Multimedia | 1 |
| Space | 1 |
| Technology | 3 |
| Telecommunications | 1 |
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