 |
| |||
| frequency resolution | |||
|
频率分辨 : 24 phrases in 11 subjects |
| Air defense | 4 |
| Artificial intelligence | 1 |
| Aviation | 1 |
| Earth sciences | 2 |
| Electronics | 5 |
| Geology | 1 |
| Geophysics | 1 |
| Information technology | 1 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 2 |
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