求翻译：通过分析山岭区、重丘区及平原区高速公路线形以及车速与交通事故的关系，得到了对交通事故有显著影响的线形指标要素，并据此建立了适用于不同地形条件下高速公路事故预测模型。是什么意思？

By analyzing the mountain area , and hill and linear plain area and the relationship between vehicle speed and highway traffic accident , has been linear index factors have a significant impact on traffic accidents , and thus the establishment of a highway accident prediction for different terrain c

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Through analysis mountain ridge area, heavy earthen mound area and region of no relief highway linear as well as vehicle speed and traffic accident relations, obtained had the remarkable influence linear target essential factor to the traffic accident, according to the above and established has been

Through the analysis of mountain, Hill and Freeway alignment in the plain and the relationship between speed and accidents has been linear index elements have a significant impact on traffic accidents, and establishing a suitable highway accident prediction model under different terrain conditions.

正在翻译，请等待...