Urban economic network的意思|示意

Urban traffic network is the framework of a city and the carrier of the social economic activities and the passenger-cargo transportation of a city.

城市交通网络既是城市的骨架，又是城市社会经济活动、城市客货运输的载体。

The economic support network of the urban poor is an important kind of social resource on which they depend in their life.

通过对经济支持网的特征分析发现，城市贫困人口出现了明显的社会疏离，而且未来的贫困人口将出现经济支持的缺失。

Urban water supply network is a major component of the water supply system. A good pipe network and the management of urban water supply will be directly related to the social and economic benefits.

城市供水管网是供水系统的主要组成部分，良好的管网运行和管理，将直接关系到城市供水的社会效益和经济效益。