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| operational form | |||
| 算子 式: 36 phrases in 14 subjects |
| Agriculture | 1 |
| Business | 2 |
| Construction | 2 |
| Earth sciences | 2 |
| Economy | 1 |
| Electronics | 1 |
| General | 3 |
| Mathematics | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Project management | 1 |
| Space | 2 |
| Technology | 15 |
| Textile industry | 1 |
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