 |
| |||
| efficiency estimate | |||
| efficient estimator | |||
| 有效 估计量: 7 phrases in 4 subjects |
| Business | 2 |
| Mathematics | 2 |
| Statistics | 1 |
| Technology | 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