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| 水平数 | |||
| number level: 17 phrases in 10 subjects |
| Business | 1 |
| Construction | 1 |
| Electronics | 1 |
| General | 1 |
| Management | 1 |
| Mathematics | 1 |
| Space | 1 |
| Statistics | 1 |
| Technology | 7 |
| Telecommunications | 2 |
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