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输人数据 : 201 phrase in 17 subjects |
Agriculture | 3 |
Air defense | 4 |
Architecture | 2 |
Astronautics | 1 |
Automobiles | 1 |
Aviation | 49 |
Computers | 1 |
Electronics | 118 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 5 |
Information technology | 4 |
Metallurgy | 1 |
Securities | 1 |
Shipbuilding | 1 |
Space | 2 |
Technology | 4 |
Telecommunications | 2 |