| |||
| 无载波幅度/相位调制; 无载波调幅调相 | |||
|
carrierless amplitude-modulation , phase-modulation : 9 phrases in 5 subjects |
| Electronics | 3 |
| Information technology | 1 |
| Multimedia | 1 |
| Space | 1 |
| Telecommunications | 3 |
| |||
| 无载波幅度/相位调制; 无载波调幅调相 | |||
|
carrierless amplitude-modulation , phase-modulation : 9 phrases in 5 subjects |
| Electronics | 3 |
| Information technology | 1 |
| Multimedia | 1 |
| Space | 1 |
| Telecommunications | 3 |