ICS 45.020CCS S 60团体标准T/VSTR 021—2024铁路信号电子地图技术要求Technical requirements of digital map for railway signaling2024 - 12 - 24 发布2025 - 01 - 01 实施中关村轨道交通视频与安全产业技术联盟发布目次前言............................................................................... II1 范围........................................................