从信息安全的角度，设计了一种相关型信息防护设备。
A piece of correlative information protection equipment is designed for information security.
车站信号联锁系统是直接与行车安全相关的基础设备。
Station signal interlocking is an infrastructure directly related to safety of train operation.
车站信号联锁系统是直接与行车安全相关的基础设备。
Station signal interlocking is an infrastructure directly related to safety of train operation.
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