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| 导师; 专家 | |||
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especialista : 23 phrases in 10 subjects |
| Acridology | 1 |
| Economy | 1 |
| Environment | 6 |
| Food industry | 1 |
| Food service and catering | 3 |
| Milk production | 3 |
| Name of organization | 3 |
| Nautical | 1 |
| Remote sensing | 1 |
| United Nations | 3 |
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