 |
| feedback system: 173 phrases in 30 subjects |
| Astronautics | 1 |
| Automated equipment | 11 |
| Automatic control | 47 |
| Aviation | 1 |
| Aviation medicine | 1 |
| Biotechnology | 1 |
| Business | 2 |
| Communications | 2 |
| Computers | 2 |
| Corporate governance | 1 |
| Electrical engineering | 1 |
| Electronics | 14 |
| Forestry | 1 |
| General | 1 |
| Genetics | 1 |
| Household appliances | 1 |
| Information security and data protection | 1 |
| Information technology | 1 |
| Makarov | 6 |
| Mass media | 3 |
| Mathematics | 2 |
| Mechanics | 5 |
| Medical | 1 |
| Military | 1 |
| Neural networks | 1 |
| Nuclear and fusion power | 1 |
| Physics | 2 |
| Programming | 43 |
| Technology | 11 |
| Telecommunications | 7 |