closed control loop : 81 phrases in 18 subjects |
Air defense | 1 |
Automatic control | 7 |
Automobiles | 4 |
Aviation | 6 |
Chemistry | 2 |
Computer networks | 3 |
Earth sciences | 1 |
Electric machinery | 6 |
Electricity | 1 |
Electronics | 8 |
Fishery fishing industry | 1 |
Information technology | 2 |
Mechanic engineering | 1 |
Metallurgy | 10 |
Oil / petroleum | 1 |
Refrigeration | 2 |
Space | 9 |
Technology | 16 |