 |
| |||
| optic band; optical band | |||
|
光波段 : 24 phrases in 11 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Cartography | 1 |
| Electronics | 1 |
| General | 1 |
| Oil / petroleum | 2 |
| Physics | 1 |
| Remote sensing | 2 |
| Space | 2 |
| Technology | 11 |
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