本标准规定了轨道交通车辆电子设备的基线环境条件 应同时运行和/或存活。对于环境条件超出这些基准条件的应用，本文既不涵盖也不打算提出特殊要求。环境条件包括:温度、湿度、大气压力、水、腐蚀性元素和振动/冲击。这些条件取决于设备位置，如车下、车内、卡车安装和车体安装

This standard specifies baseline environmental conditions under which transit rail car electronic equipment shall both operate and/or survive. Special requirements anticipated for applications that have environmental conditions outside these baseline conditions are neither covered nor intended herein. Environmental conditions include: temperature, humidity, atmospheric pressure, water, corrosive elements, and vibration/shock. These conditions depend upon equipment location such as under car, interior, truck mounted, and carbody mounted