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| التكرار ؛نمط التكرار | |||
| دورية | |||
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| الدورية ؛دورية البيانات ؛دورية إعداد البيانات | |||
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périodicité : 7 phrases in 3 subjects |
| Forestry | 5 |
| Mathematics | 1 |
| Statistics | 1 |
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