英语词汇block system relay怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	block system relay
释义	block system relay 简明释义闭塞系统继电器网络释义 1 ?闭塞系统继电器 ... block relay: 闭锁继电器 block system relay: 闭塞系统继电器 Block-relay: 阻尼继电器 ... 短语 1 all-relay semiautomatic block system 继电半自动闭塞双语例句 1 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；
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