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| 生产 研究: 34 phrases in 14 subjects |
| Aviation | 4 |
| Business | 1 |
| Chemistry | 1 |
| China | 1 |
| Commerce | 3 |
| Economy | 1 |
| Electronics | 3 |
| General | 7 |
| Management | 2 |
| Name of organization | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 4 |
| Textile industry | 1 |
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