![]() |
satellite telecommunication | |
space | 卫星通信 |
automatic routing system | |
tech. | 自动列车进路 |
| |||
卫星通信 |
satellite telecommunications automatic routing system : 6 phrases in 6 subjects |
Air defense | 1 |
Earth sciences | 1 |
Electronics | 1 |
General | 1 |
Shipbuilding | 1 |
Space | 1 |