 |
| |||
| 文件说明 | |||
|
document description : 30 phrases in 6 subjects |
| Aviation | 19 |
| Electronics | 4 |
| Information technology | 2 |
| Multimedia | 1 |
| Space | 3 |
| Telecommunications | 1 |
|
| |||
| 文件说明 | |||
|
document description : 30 phrases in 6 subjects |
| Aviation | 19 |
| Electronics | 4 |
| Information technology | 2 |
| Multimedia | 1 |
| Space | 3 |
| Telecommunications | 1 |