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长宽 比 : 20 phrases in 14 subjects |
Automobiles | 1 |
Aviation | 1 |
Desert science | 1 |
Electronics | 3 |
General | 1 |
Geophysics | 1 |
Information technology | 1 |
Oil / petroleum | 1 |
Project management | 1 |
Refrigeration | 1 |
Shipbuilding | 1 |
Technology | 5 |
Telecommunications | 1 |
Textile industry | 1 |