With the construction of Nanjing metro Line 1 as the background, this paper introduces a design option for the Passenger Information System (PIS) in metro stations.
结合南京地铁1号线建设，介绍地铁车站乘客信息系统的一种设计方案。
In light of the rail potential anomalies happend in Nanjing metro Line 1, this paper provides a general analytic method, discuses the different reasons for the elevated rail potential.
结合南京地铁1号线轨道电位异常的问题，提出了轨道电位异常分析研究的一般方法，以及针对不同原因导致轨道电位升高的处理方法。
This article mainly compares the signal systems between line 1 and line 2 in Nanjing metro.
文章主要以南京地铁一号线及二号线的信号系统进行对比。
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