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| duplicate sample | |||
| double sampling; double sample; duplicated sample | |||
| duplicated sample (для взаимной проверки двумя различными группами испытателей) | |||
| двойная выборка: 10 phrases in 7 subjects |
| Economy | 1 |
| Food industry | 1 |
| General | 1 |
| Information technology | 1 |
| Mathematics | 3 |
| Telecommunications | 1 |
| United Nations | 2 |