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中 心距 : 171 phrases in 27 subjects |
Agriculture | 2 |
Air defense | 2 |
Artificial intelligence | 2 |
Automobiles | 22 |
Aviation | 1 |
Bridge construction | 12 |
Business | 2 |
Chemistry | 1 |
Compressors | 2 |
Desert science | 1 |
Earth sciences | 7 |
Electric machinery | 3 |
Electronics | 6 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 13 |
Geophysics | 1 |
Hydroelectric power stations | 1 |
Mechanics | 2 |
Metallurgy | 2 |
Nautical | 1 |
Oil / petroleum | 3 |
Rail transport | 7 |
Shipbuilding | 5 |
Space | 4 |
Technology | 66 |
Telecommunications | 1 |
Textile industry | 1 |