differential analyzer : 40 phrases in 13 subjects |
Astronautics | 1 |
Automated equipment | 1 |
Electronics | 2 |
Energy industry | 4 |
Hematology | 1 |
Information technology | 4 |
Makarov | 1 |
Mass media | 1 |
Metallurgy | 1 |
Military | 7 |
Technology | 14 |
Transport | 1 |
Weapons of mass destruction | 2 |