| |||
| 1/3 倍频程的 | |||
|
third -octave : 9 phrases in 7 subjects |
| Electric machinery | 1 |
| Electronics | 1 |
| Nautical | 2 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| 1/3 倍频程的 | |||
|
third -octave : 9 phrases in 7 subjects |
| Electric machinery | 1 |
| Electronics | 1 |
| Nautical | 2 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 2 |
| Telecommunications | 1 |