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| découper en strates; répartir en strates | |||
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| stratifier | |||
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| stratifié | |||
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stratify : 29 phrases in 12 subjects |
| Agriculture | 2 |
| Communications | 1 |
| Earth sciences | 4 |
| Hobbies and pastimes | 1 |
| Information technology | 1 |
| Life sciences | 2 |
| Mathematics | 1 |
| Medical | 2 |
| Natural sciences | 3 |
| Pharmacy and pharmacology | 2 |
| Statistics | 6 |
| Transport | 4 |