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| basis variables | |||
| 基变数: 26 phrases in 10 subjects |
| Agriculture | 1 |
| Bridge construction | 1 |
| Business | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 1 |
| Mathematics | 1 |
| Statistics | 2 |
| Technology | 15 |
| United Nations | 1 |
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