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卫星中心 |
satellite center : 114 phrases in 14 subjects |
Air defense | 2 |
Aviation | 10 |
Earth sciences | 11 |
Economy | 1 |
Electronics | 22 |
Environment | 1 |
General | 3 |
Geophysics | 1 |
Navigation | 2 |
Oil / petroleum | 1 |
Rail transport | 1 |
Space | 44 |
Technology | 8 |
United States | 7 |