| 1. | Standard for safety for professional video and audio equipment
专业视听设备的安全标准 |
| 2. | Videos and audios in this chapter require
本章内的短片和录音，需要使用 |
| 3. | Mpeg - 4 content beyond video and audio
Mpeg - 4内容不仅仅是视频和音频 |
| 4. | Inside investigations videos and audios in this story require
本故事内的短片和录音，需要使用 |
| 5. | Inside investigations videos and audios in this chapter require
本章内的短片和录音，需要使用 |
| 6. | Broadcast video and audio measurement products
广播音视频测试仪器 |
| 7. | Professional video and audio equipment
专业视频设备和音频设备 |
| 8. | Digital imaging , video and audio
数码成像视频和音频产品 |
| 9. | More digital video and audio
更多电子教学和交流产品 |
| 10. | Video and audio recording are strictly prohibited at all museum areas
此外，博物馆范围内严禁进行拍摄及录音。 |
