积分仪: 77 phrases in 15 subjects |
Agriculture | 1 |
Air defense | 2 |
Automobiles | 1 |
Aviation | 3 |
Chemistry | 1 |
Earth sciences | 3 |
Electronics | 15 |
Engineering geology | 1 |
Hydrology | 1 |
Metallurgy | 2 |
Shipbuilding | 2 |
Space | 17 |
Technology | 25 |
Telecommunications | 1 |
Textile industry | 2 |