 |
| |||
| 因子 K | |||
| factor K: 19 phrases in 12 subjects |
| Architecture | 1 |
| Automobiles | 1 |
| Chemistry | 1 |
| Electronics | 2 |
| General | 3 |
| Genetics | 1 |
| Metallurgy | 1 |
| Plastics | 1 |
| Research and development | 1 |
| Soil science | 1 |
| Technology | 5 |
| Telecommunications | 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