 |
| |||
| digital variable frequency | |||
| 数字变频: 7 phrases in 5 subjects |
| Air defense | 1 |
| Artificial intelligence | 1 |
| Earth sciences | 1 |
| Electronics | 3 |
| Space | 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