The advanced rail vehicle inspection systems can improve the safety of railway, reduce cost and improve the customer service.

先进的铁道车辆检查系统能提高铁路的安全性、降低成本并改善客户服务。

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According to inertia principle, rail undulatory wear inspection system adopts analog digital composite filtering method to process data and eliminates the speed influence on measurement results.

钢轨波磨检测系统根据惯性测量原理，采用模拟—数字混合滤波的数据处理方法，消除了速度对检测结果的影响。

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Through the rail flatness inspection, the causes for waviness are found.

通过对钢轨平直度调研分析，浅析了钢轨波浪弯曲的形成原因。

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Rachel Lowe, from Network Rail, said a minor defect in the rail was identified in an inspection on 12 November, and again on 21 November, but there was "no visible crack in the rail at all and it was managing within normal standards".

BBC: York railway line gap risked tragedy - RMT