 |
| 声压级: 59 phrases in 15 subjects |
| Automobiles | 5 |
| Compressors | 2 |
| Ecology | 1 |
| Electric machinery | 1 |
| Electronics | 5 |
| General | 2 |
| Geophysics | 1 |
| Information technology | 2 |
| Nautical | 3 |
| Otorhinolaryngology | 4 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Space | 3 |
| Technology | 24 |
| Wind Energy | 2 |