北京机场线是国内首条采用无人驾驶技术的地铁线路。阐述北京机场线无人驾驶系统采用基于通信的列车控制系统的结构与性能，重点分析无人驾驶系统的技术应用，对无人驾驶系统投入运营的情况进行相关介绍。

Beijing airport link is China’s first driverless metro line． The structure and performance of the train control system， which is based on CBTC，is introduced with the focus putting on the technology implementation，practice，and how the system works．

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