 |
| |||
| 弹性系数 | |||
| elastic coefficient: 16 phrases in 6 subjects |
| Aviation | 1 |
| Bridge construction | 5 |
| Oil / petroleum | 1 |
| Otorhinolaryngology | 1 |
| Space | 3 |
| Technology | 5 |
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