 |
| |||
| 脉冲数字调制 | |||
|
pulse digital modulation : 13 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 5 |
| Information technology | 2 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 1 |
|
| |||
| 脉冲数字调制 | |||
|
pulse digital modulation : 13 phrases in 6 subjects |
| Aviation | 3 |
| Electronics | 5 |
| Information technology | 2 |
| Space | 1 |
| Technology | 1 |
| Telecommunications | 1 |