 |
| |||
| optical communication | |||
| optic communication | |||
| 光学通信: 19 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 3 |
| Metallurgy | 1 |
| Space | 8 |
| Technology | 4 |
| 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