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| эффективность комплектования (MichaelBurov) | |||
| коэффициент промыслового возврата (The stocking efficiency (ratio of the yield of stocked fish in kg/ha to the weight of the stocked fish in kg/h) in reservoirs in ThaiNguyen Province ... Alexander Demidov) | |||
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stocking efficiency : 5 a las frases, 4 temas |
| Construcción | 1 |
| Finanzas | 1 |
| General | 1 |
| Piscicultura piscicultura | 2 |