relay block terminal 中継端子台
block system relay 闭塞系统继电器
Relay Automatic Block 中继自动座 ; 继电器自动闭塞
unit-block type relay interlocking 组合式电气集中联锁
all-relay semiautomatic block 继电半自动闭塞
relay semiautomatic block 继电半自动闭塞
all-relay semiautomatic block system 继电半自动闭塞
The time-delay parameter test of time relay, SCM test block diagram and software flow chart are introduced.
介绍时间继电器延时参数的测试，单片机测试框图以及软件流程。
Second, channel estimation algorithms of two-hop OFDM cooperative communication system with single relay are discussed, which are mainly based on block pilot.
其次，讨论了两跳单中继多载波协同通信系统的信道估计的问题，主要是基于辅助块状导频的方法；
Based on the analysis of the all relay semiautomatic block which are widely used, this paper discusses the feasibility of the semiautomatic block with microcomputer.
对当前大量使用的继电半自动闭塞设备进行了分析，并研究了实现微机半自动闭塞的可行性。
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