本文就全频道CATV系统中如何选择相容的闭路电视频道进行了探讨，并介绍了如何用袖珍计算机进行辅助设计问题。

This article discusses the selection of compatible closed circuit television channels in all channel CATV system and explains how to use pocket computer to aid the design.

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一些不相容的软件在您的计算机安装。

Some incompatible software is installed on your computer.

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一些不相容的软件在您的计算机安装。

Some incompatible software is installed on your computer.

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