“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	electron crystallography electron current electron curtain accelerator electron cyclotron electron cyclotron emission electron cyclotron frequency electron cyclotron maser electron cyclotron maser instability electron cyclotron oscillation electron cyclotron radiation electron cyclotron resonance electron cyclotron resonance ion thruster electron cyclotron resonant heating electron cyclotron wave electron cyclotron waves electron defect electron deficiency electron deficient electron deficient bond electron deficient [system] electron deficient system electron degeneracy electron degeneracy pressure electron density electron density function

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