• 1. audio video switcher: 音视频切换器
• 2. video-audio switcher: 视音频切换器
• 3. audio and video routine switcher: 声像线路切换器

更多释义

• 1.A extendible Video-Audio Switcher circuit by hand-selecting or automatic sequential switching was intro duced.
  介绍了手选和自动顺序切换均可任意扩展的视音频切换电路。
  dict.yoduao.com

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