国家铁路网

随着我国兴起又一轮的大规模铁路建设，铁路迎来了跨越式发展时期，高速铁路和城际铁路的大力修建，国家铁路网结构不断的完善，铁路客运量也随之大幅度的增加。

With another wave of large scale railway construction in a new round , which brings leaps and bounds to railway , the construction of high speed railway and inter-city railway improves the national railway network and increases the passenger volume .

这个国家的铁路网很有效率，坐火车旅游既快速又舒适。

Traveling by train is fast and comfortable in this country because of its efficient rail network .

另外政府正在逐步改善落后的国家公路铁路交通网，以一个长期存在的屏障来维持经济的增长。

Also , the government is moving slowly to improve the poor national road and rail network , a long-standing barrier to sustained economic growth .

根据国家《中长期铁路网规划》，到2020年，全国铁路运输能力将满足国民经济和社会发展需要，主要技术装备达到或接近国际先进水平。

According to the long-term railway network plan , by 2020 , the capacity of national railway trans will suffice the needs of national economy and social development , and the primary tech-equipment will reach or approach the international advanced level .

利用1996年世界116个国家的截面数据，分析了铁路网密度与人口密度、人均GDP的关系，建立了一个统计模型来反应国家铁路网建设的宏观需求；

This paper analyses the relationship between railway density with population density and per capita GDP in international , on the basis of the section data of 116 countries in the world at 1996 , and setup a statistic model showing macro demand of a country ′ s railway net .