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| репрезентативность образцов | |||
| представительность пробы | |||
| репрезентативность образца пробы | |||
| 样品 代表性: 5 phrases in 5 subjects |
| Business | 1 |
| Chemistry | 1 |
| Economy | 1 |
| General | 1 |
| Geology | 1 |
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