|
frequency responses : 34 phrases in 11 subjects |
| Automated equipment | 6 |
| Automatic control | 4 |
| Computer numerical control | 4 |
| Electric motors | 1 |
| Electronics | 9 |
| Information technology | 3 |
| Measuring instruments | 3 |
| Sound recording | 1 |
| Transport | 1 |
| United Nations | 1 |
| Video recording | 1 |