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信息检索 : 251 phrases in 26 subjects |
Air defense | 1 |
Artificial intelligence | 2 |
Automobiles | 1 |
Aviation | 28 |
Business | 4 |
Chemistry | 1 |
Communications | 1 |
Computer networks | 1 |
Computers | 2 |
Earth sciences | 21 |
Electronics | 99 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 1 |
Geology | 1 |
Horticulture | 2 |
Information technology | 21 |
Librarianship | 9 |
Metallurgy | 1 |
Multimedia | 4 |
Name of organization | 1 |
Oil / petroleum | 1 |
Project management | 1 |
Space | 16 |
Technology | 16 |
Telecommunications | 12 |
Work flow | 3 |