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| facteurs de situation | |||
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| facteur d'environnement | |||
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| facteur du milieu | |||
| факторы среды: 16 phrases in 13 subjects |
| Agriculture | 1 |
| Chemistry | 1 |
| Dentistry | 1 |
| Ecology | 1 |
| Environment | 1 |
| Food industry | 2 |
| Forestry | 1 |
| General | 1 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Natural resourses and wildlife conservation | 2 |
| Technology | 1 |
| United Nations | 2 |