 |
| |||
| 前向链路 (从地面经中继卫星向航天器传送信号的无线电链路) | |||
| 正向链接 | |||
| 正向线路 | |||
| 前向链路 | |||
| forward link: 10 phrases in 3 subjects |
| Electronics | 1 |
| Information technology | 1 |
| Space | 8 |
|
| |||
| 前向链路 (从地面经中继卫星向航天器传送信号的无线电链路) | |||
| 正向链接 | |||
| 正向线路 | |||
| 前向链路 | |||
| forward link: 10 phrases in 3 subjects |
| Electronics | 1 |
| Information technology | 1 |
| Space | 8 |