通过对全国铁路货运量影响因素的分析，选取国内生产总值X1的翻译：Through the analysis of factors affecting national rail freight, select gross domestic X1 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Impact on the national rail freight through the analysis of the factors selected GDP x1

Through the analysis of factors affecting national rail freight, select gross domestic X1

Through to national railroad transported goods volume influence factor analysis, selection GDP X1

Through the national rail freight volume, select the analysis of factors affecting GDP X 1

Through the analysis of factors affecting national rail freight, select gross domestic X1