 |
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| proportional sampling; proportional selection | |||
| selection with a uniform sampling fraction | |||
| пропорциональный отбор: 13 phrases in 10 subjects |
| Audit | 1 |
| Ecology | 1 |
| Electronics | 1 |
| Mathematics | 2 |
| Medical | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Technology | 2 |
| Water resources | 1 |