 |
| |||
| 高频和甚高频测向 | |||
| |||
| 高频和甚高频定向 | |||
|
high and very -high-frequency direction finding : 10 phrases in 5 subjects |
| Air defense | 3 |
| Aviation | 2 |
| Earth sciences | 1 |
| General | 3 |
| Oil / petroleum | 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