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速 度变化 : 46 phrases in 15 subjects |
Architecture | 1 |
Automobiles | 1 |
Aviation | 8 |
Economy | 3 |
Electric machinery | 3 |
Electronics | 4 |
Explosives and Explosive Ordnance Disposal | 1 |
Geophysics | 1 |
Metallurgy | 1 |
Oil / petroleum | 2 |
Shipbuilding | 1 |
Space | 5 |
Technology | 13 |
United Nations | 1 |
Wind Energy | 1 |