英语词汇frequency shift automatic block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	frequency shift automatic block
释义	frequency shift automatic block 翻译频移自动块以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 [铁路]?移频自动闭塞 ... frequency shift automatic block 移频自动闭塞 frog 岔心 front bumper side extension 前缓冲铁两侧加长板 ... 短语 1 information frequency-shift automatic block 信息移频自动闭塞 2 information frequency shift automatic block 信息移频自动闭塞 3 18information frequency shift automatic block 信息移频自动闭塞双语例句 1 Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop (PLL) technique and a singe chip microcomputer. 利用锁相环(LL)窄带跟踪特性，与单片机结合，实现自动闭塞系统移频信号解调。 2 The article analyses the frequency security & stability of signal generator circuit of dispatching equipment of automatic block with frequency shift, and an optimum design scheme is concluded. 本文对移频自动闭塞发送设备信息源电路的频率安全性及稳定性进行了分析，并总结出最佳设计方案。
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