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综合 图 : 160 phrases in 30 subjects |
Agriculture | 1 |
Air defense | 2 |
Animal husbandry | 1 |
Aviation | 9 |
Bridge construction | 1 |
Business | 2 |
Commerce | 1 |
Dermatology | 1 |
Desert science | 2 |
Drilling | 2 |
Electronics | 9 |
Explosives and Explosive Ordnance Disposal | 2 |
General | 1 |
Geology | 1 |
Geophysics | 2 |
Hydroelectric power stations | 6 |
Information technology | 1 |
Life sciences | 1 |
Metallurgy | 1 |
Mining | 1 |
Nursing | 1 |
Oil / petroleum | 11 |
Otorhinolaryngology | 3 |
Refrigeration | 2 |
Securities | 1 |
Space | 5 |
Technology | 85 |
Telecommunications | 3 |
United Nations | 1 |
Wind Energy | 1 |