| |||
| 移频调制 | |||
| 频移调制 | |||
|
frequency shift modulation : 10 phrases in 5 subjects |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Space | 3 |
| Telecommunications | 1 |
| |||
| 移频调制 | |||
| 频移调制 | |||
|
frequency shift modulation : 10 phrases in 5 subjects |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 1 |
| Space | 3 |
| Telecommunications | 1 |