| |||
satellite-to-satellite |
卫 星 对卫星 : 52 phrases in 12 subjects |
Air defense | 1 |
Astronautics | 1 |
Desert science | 1 |
Earth sciences | 1 |
Electronics | 13 |
Environment | 1 |
Geophysics | 1 |
Space | 23 |
Statistics | 2 |
Technology | 4 |
Telecommunications | 3 |
United States | 1 |