| |||
| 脉冲调制信号 | |||
|
pulse modulated : 56 phrases in 13 subjects |
| Air defense | 6 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 8 |
| Geophysics | 3 |
| Information technology | 1 |
| Mathematics | 1 |
| Military | 1 |
| Radio | 1 |
| Refrigeration | 2 |
| Space | 4 |
| Technology | 24 |
| Wind Energy | 3 |
| |||
| 脉冲调制信号 | |||
|
pulse modulated : 56 phrases in 13 subjects |
| Air defense | 6 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 8 |
| Geophysics | 3 |
| Information technology | 1 |
| Mathematics | 1 |
| Military | 1 |
| Radio | 1 |
| Refrigeration | 2 |
| Space | 4 |
| Technology | 24 |
| Wind Energy | 3 |