Based on the analysis of geological condition along railway and the assimilation of historical experience and lesson, the article explains this opinion by actual route selection instance.
在分析沿线地质条件和吸收历史经验教训的基础上，本文通过选线实例，阐述了这一观点。
Sum up historical experience, take the last as a lesson, and serve the present.
总结历史经验，以古鉴今，为现实服务。
Sum up historical experience, take the last as a lesson, and serve the present.
总结历史经验，以古鉴今，为现实服务。
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