 |
| mean- square deviation: 30 phrases in 14 subjects |
| Automated equipment | 1 |
| Aviation | 6 |
| Construction | 2 |
| Electronics | 1 |
| Energy industry | 1 |
| General | 3 |
| Mathematics | 4 |
| Military | 1 |
| Physics | 1 |
| Quality control and standards | 1 |
| Radio | 1 |
| Statistics | 5 |
| Technology | 2 |
| Telecommunications | 1 |