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上海地铁一号线利用国外贷款引进了八十年代中期国际先进的技术和设备,如从美国引进的保证列车安全运行的ATC(列车自动控制)系统,从德国引进的能迅速、可靠地传递和交换各种信息的光纤数字通信系统,能对上海地铁各类变电站所实现遥测、遥信、遥控的SCADA系统,利用载波调
Shanghai Subway Line 1 used foreign loans to introduce internationally advanced technology and equipment in the mid-1980s. For example, the ATC (Automatic Train Control System) introduced from the United States to ensure the safe operation of trains, the system that can be quickly and reliably imported from Germany Optical fiber digital communication system for exchanging various kinds of information, SCADA system capable of realizing telemetry, telecontrol and remote control for various substations in Shanghai Metro,