| |||
space communications | |||
space communication | |||
space telecommunication | |||
| |||
space communication; space telecommunications | |||
| |||
space communication |
空间通 信 : 76 phrases in 13 subjects |
Air defense | 2 |
Aviation | 6 |
Computer networks | 2 |
Earth sciences | 2 |
Electronics | 12 |
General | 2 |
Germany | 1 |
Information technology | 2 |
Space | 32 |
Technology | 5 |
Telecommunications | 1 |
United Nations | 4 |
United States | 5 |