Therefore it is necessary for us to study the work stability of the auto-obturate orbit electric circuit and veracity and reliability of the information transformation for the segments whose ballast is of low resistance .
因此，研究低道碴电阻区段的自动闭塞轨道电路的工作稳定性和信息变换的准确可靠性问题势在必行。
stability of electric circuit