国省干线公路网络不断完善，连接了全国县级及以上行政区。
The national and provincial trunk highway network has been improved, connecting administrative regions at and above the county level nationwide.
通过对比分析数值得出辽宁省干线公路网络的分维数比较低，网络直通度比较高的结论。
The results have deminstrate that the Hausdorff fractal dimension is comparatively low and the space relation fractal dimension is high according to the ratio.
该模型丰富了公路网规模的预测内容，对中国干线公路网以及区域公路网规划也具有重要的指导意义。
The model enriches the prediction content of highway network and it has the guiding significance for highway network planning.
进而按照通达程度将公路网划分为四个等级：主干线、次主干线、支线和连接线，并分别对四个层级进行了功能定位；
Then divides the highway network into four levels: main trunk line, sub-trunk, feeder and connecting line, and also positions functions of the four levels.
《国家高速公路网规划》出台，计划到2020年完成总规模约8.5万公里高速公路，并与目前的国道主干线共同构成国家骨架公路网。
The layout of the national high speed road net was passed , which has 0.85 million kilometers, will be completed in 2020 in plan.
《国家高速公路网规划》出台，计划到2020年完成总规模约8.5万公里高速公路，并与目前的国道主干线共同构成国家骨架公路网。
The layout of the national high speed road net was passed , which has 0.85 million kilometers, will be completed in 2020 in plan.
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