电子模块取代原有的继电器，直接实现对道岔、信号机、减速器的控制和对轨道电路的状态识别。
Electronic modules, instead of traditional relays, perform directly the control of switches, signals and retarders and identification of the status of the track circuits.
上述功能可使车体控制模块等高级单元得以实现，并可监测电子控制单元的状态和防止电流引发的其他问题。
These functions enable a higher-level unit, such as a body control module to monitor the state of the electronic-control unit and prevent secondary problems due to continuing current flow.
上述功能可使车体控制模块等高级单元得以实现，并可监测电子控制单元的状态和防止电流引发的其他问题。
These functions enable a higher-level unit, such as a body control module to monitor the state of the electronic-control unit and prevent secondary problems due to continuing current flow.
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