 |
| |||
| acoustic transmissivity | |||
| acoustic transmission | |||
| acoustical transmission; transmission of sound | |||
| |||
| sound transmission | |||
| 声传输: 52 phrases in 9 subjects |
| Air defense | 3 |
| Electronics | 9 |
| General | 1 |
| Information technology | 1 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 5 |
| Technology | 25 |
| Telecommunications | 6 |