“25Hz phase detecting track circuit”的概念、定义、翻译、参考文献-科学参考

单词	25Hz phase detecting track circuit
释义	25Hz phase detecting track circuit Encyclopedia 工学轨道电路释 25Hz phase detecting track circuit25赫兹相敏轨道电路具有两个供电单元传送25赫兹交流信号，除从钢轨取得电源外，还需另外供给局部电源，采用调相方式的轨道电路制式。当两个单元同时得到规定相位差的25赫兹交流电源时，轨道继电器吸起，否则落下，用于反映本区段有、无列车两种状态的25赫兹交流信号的轨道电路。
随便看	the muti-pattern theory of mire development The Mysteries of Udolpho The Mystery of Picasso The Mystic Nine the myth about Queen Mother of the West The Mythical Stories of Bamboo Slips in Fangmatan The Myth of Sisyphus the myth of sovereign series The Nagasaki Shap News The Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits arising from Its Utilization The Nairobi Forward-Looking Strategies for the Advancement of Women to the Year 2000 The Naked Year the names of God then and only then The Nanke Dream the Nanping Poets'Club the Nanyuan Poets’Club the narrative structure of repetition for three times The Narrow Road to the Interior The nation The National 12th Five-year Strategic Plan for Public Library Development The National 13th Five-year Strategic Plan for Public Library Development The National 9/11 Memorial & Museum The National Advisory Committee of Higher Grassland Science Education in Ministry of Education The national anti Japanese War magazine

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