Shanghai ' s local transport system was launched with the shanghai metro line 1 , which operated 16 six - car units supplied by the german shanghai metro group ( gsmg ) consortium led by bombardier from october 1992 to april 1995 简要翻译一下第一段，英语水平有限哈：上海地铁1 、 2号线，中国上海的本地交通系统是由地铁1号线引领开始的，它是由16列6节编组的由庞巴迪领导的德国上海地铁集团（ gsmg ）财团提供的车辆运转的，从1992年10月到1995年4月。
Train communication network ( tcn ) standard ( iec - 61375 ) is used to standarde the communication of device data on train , tcn is divided into train level communication network - - wtb which is used for connecting each dynamically organized vehicle and vehicle level communication network ? mvb which is used for connecting fix devices in vehicle Iec - 61375 ? ?列车通讯网络( tcn )标准就是一个规范车载设备数据通讯的标准,它包括用于连接各节可动态编组的车辆的列车级通讯网络wtb总线和用于连接车辆内固定设备的车辆通讯网络mvb总线。
