the railway computer network system 铁路计算机网络系统
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Railway Computer Network is a huge and most important information network system that is widely used in different departments of railway system in our country.
铁路计算机网络是一个遍布全国、四通八达、应用于铁路系统各个部门的庞大的、极其重要的信息网络系统。
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