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| structure hierarchique | |||
| filière hiérarchique; lien hiérarchique | |||
| organisation hiérarchique; structure hiérarchique | |||
| structure hiérarchisée | |||
| иерархическая структура: 9 phrases in 7 subjects |
| Astronomy | 2 |
| Information technology | 2 |
| Librarianship | 1 |
| Management | 1 |
| Programming | 1 |
| Radio | 1 |
| Scientific | 1 |