output signal : 47 phrases in 14 subjects |
Air defense | 2 |
Automobiles | 1 |
Aviation | 2 |
Business | 1 |
Communications | 1 |
Electronics | 11 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Radio | 1 |
Space | 7 |
Technology | 12 |
Telecommunications | 4 |