求翻译：依据工程地质和水文地质条件，结合设计及施工方法的要求，按车站、区间综合各项指标以数理统计的方法分层，提出设计所需要的技术参数。是什么意思？

Based on engineering geological and hydrogeological conditions, combined with the requirements of design and construction methods, according to the station, comprehensive range of indicators to hierarchical methods of mathematical statistics, the technology needed to make the design parameters.

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Based on the engineering geology and the hydrogeological conditions, the union design and the job practice request, according to the station, the sector synthesizes each target by the mathematical statistic method lamination, proposed the design needs technical parameter.

Based on the engineering geological and hydrogeological conditions, combined with the requirements of the design and construction methods, stations, comprehensive indicators of range mathematical statistic method of hierarchical, the technology required to design parameters.