国外轨道交通通信系统简述

摘要

This article through a brief introduction to the communication system of foreignrail transit, so as to we have a preliminary understanding to it.%本文通过对国外轨道交通通信系统进行一个简要的介绍,以便大家对国外轨道交通通信系统的组成有一个初步的认识.