![]() |
| |||
audio out | |||
audiofrequency output; audio frequency output | |||
audio output |
音频输出: 14 phrases in 9 subjects |
Aviation | 1 |
Aviation medicine | 1 |
Communications | 1 |
Electronics | 4 |
Information technology | 1 |
Multimedia | 1 |
Nautical | 1 |
Technology | 2 |
Telecommunications | 2 |