The receiver can generate the hot standby redundancy after being used, thereby being taken as a receiver for a phase detecting track circuit and an impulse track circuit;

采用上述接收器，构成热备冗余模式，可以作为相敏 轨道电路和脉冲轨道电路的接收器。

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This paper describes how to improve reliability by using a way of high availability method:two-node hot-standby redundancy, and two double-node hot-standby system models are given.

本文提出了一种双机容错服务器的解决方案，同时支持双机热备份和互备援两种工作模式， 可以为用户提供不间断的数据服务。

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