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国防系统; 防务系统 | |||
防御体系 |
defense system: 314 phrases in 13 subjects |
Air defense | 44 |
Aviation | 104 |
Business | 2 |
China | 1 |
Earth sciences | 4 |
Electronics | 41 |
General | 8 |
Information technology | 1 |
Multimedia | 1 |
Space | 84 |
United Nations | 4 |
United States | 19 |
Volleyball | 1 |