national trunk highway

基本解释

On the basement of national and international studies, the common planning process of region trunk highway was brought forward, including the detail of each step.
本文在分析国内外研究现状的基础上，提出地区国省干线公路网布局规划方法的一般流程，并明确提出流程中各步骤的思路。
Besides further construction, accelerating the speed of the future national trunk highway system will bring about more impacts on the spatial structure of the cities in China.
国家干线公路网络联结的城市通达性空间格局具有显著的边界效应，在不同的速度状态下呈现波状形态变化；
Moreover, the spatial structure of accessibility in cities connected by the national trunk highway system has obvious boundary effect, which shows wave transformation under different speed conditions.
国家干线公路网络联结的城市通达性空间格局具有显著的边界效应，在不同的速度状态下呈现波状形态变化；