return channel meaning in Chinese
返回通道
回程信道，返回信道
Examples
- This article discusses some interactive services delivered via digital television ( dtv ) system with or without return channels . the method proposed here for the implementation of these services is simple and economical for hybrid dtv system
对数字电视中的一些交互业务进行了讨论，并针对目前电视系统的特点提出了简单实用的实现交互数字广播的方法。