 |
| |||
| 信号组; 信号集 | |||
|
signal set : 13 phrases in 8 subjects |
| Air defense | 1 |
| Automobiles | 1 |
| Aviation | 4 |
| Electronics | 2 |
| Oil / petroleum | 1 |
| Space | 2 |
| Technology | 1 |
| 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