介绍一种基于现场总线技术的铁路自动闭塞系统，并就其可靠性设计作了重点阐述。
A rail automatic block signal system based on the field bus technology is introduced, and its reliability design is explained specially.
针对我国传统的继电联锁方式的铁路信号自动闭塞系统，文章介绍了一种基于计算机联锁方式的改进方案。
In this paper an improved solution based on computerized interlocking is proposed against the traditional re-lay-interlocking-model automatic block system in railway signalling in our country.
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