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科学资源 : 34 phrases in 14 subjects |
| Aviation | 1 |
| China | 2 |
| Earth sciences | 17 |
| Economy | 1 |
| Environment | 1 |
| General | 2 |
| Information technology | 1 |
| Librarianship | 1 |
| Name of organization | 2 |
| Navigation | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 1 |
| United Nations | 1 |
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