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综合 开发 : 64 phrases in 21 subjects |
Agriculture | 1 |
Air defense | 2 |
Animal husbandry | 2 |
Architecture | 1 |
Aviation | 6 |
Bridge construction | 1 |
Business | 2 |
Desert science | 1 |
Earth sciences | 4 |
Ecology | 3 |
Economy | 2 |
Electronics | 4 |
Finances | 1 |
Geology | 1 |
Hydroelectric power stations | 6 |
Information technology | 1 |
Name of organization | 2 |
Nautical | 1 |
Space | 3 |
Technology | 18 |
United Nations | 2 |