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分布 系 数 : 96 phrases in 23 subjects |
Architecture | 1 |
Automatic control | 1 |
Aviation | 6 |
Bridge construction | 5 |
Business | 1 |
Data processing | 1 |
Desert science | 1 |
Earth sciences | 5 |
Ecology | 1 |
Electric machinery | 5 |
Electronics | 14 |
Engineering geology | 3 |
Geology | 1 |
Hydroelectric power stations | 2 |
Information technology | 10 |
Metallurgy | 1 |
Nautical | 2 |
Navigation | 1 |
Oil / petroleum | 2 |
Refrigeration | 1 |
Space | 1 |
Technology | 29 |
Telecommunications | 2 |