 |
| |||
| статистическая единица | |||
| элемент выборки (выборочная единица) | |||
| единица отбора | |||
| элемент выборки | |||
|
抽样单位 : 4 phrases in 2 subjects |
| General | 2 |
| Mathematics | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips