 |
| |||
| unitary sampling | |||
| 单一 抽样: 10 phrases in 5 subjects |
| Business | 2 |
| Marketing | 1 |
| Mathematics | 4 |
| Statistics | 2 |
| Technology | 1 |
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