铁路网密度
- 网络Railway network density;TROAD
铁路网密度-
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 .
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世界银行（WorldBank）数据显示，按人均铁路里程衡量，中国铁路网的密度相当于美国的十分之一、欧盟的七分之一、日本的三分之一。
The density of its network , measured in line distance per inhabitant , is about a tenth of that in the US , a seventh of the European Union 's and a third of Japan 's , according to the World Bank .