| |||
| ★ 平滑调频 | |||
| 平滑调频 (卫星通信中的一种载波调制方式) | |||
| 受控调频; ★ 软调 | |||
|
Tamed Frequency Modulation : 5 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Space | 2 |
| |||
| ★ 平滑调频 | |||
| 平滑调频 (卫星通信中的一种载波调制方式) | |||
| 受控调频; ★ 软调 | |||
|
Tamed Frequency Modulation : 5 phrases in 4 subjects |
| Communications | 1 |
| Electronics | 1 |
| Information technology | 1 |
| Space | 2 |