urban key areas的意思|示意

In polluted urban areas, they also enhance production of ozone, a key ingredient of smog that is potentially toxic to animal and plant life.

在受污染的市区，他们还促进臭氧的产生，臭氧是对动物和植物生命有潜在毒性的烟雾的关键成分。

A key focus of the World Health Day campaign is to make urban areas resilient to emergencies and disasters.

本次世界卫生日活动的重点是增强城市抵御突发事件和灾难的能力。

A number of circular economy pilot projects will be conducted in key industries, industrial zones, and urban and rural areas.

在重点行业、产业园区、城市和农村实施一批循环经济试点。

It has also vigorously improved its employment policies for such key sections of the population as college graduates, migrant workers from rural areas and low-income urban dwellers.

大力完善高校毕业生、农民工和城镇困难人员等重点人群就业促进政策。

The book is divided into eight key areas: Buildings, the Urban Matrix, Smart Infrastructure, Mobility, Water, Waste, Community Engagement and Energy.

这本书分为8个主要版块：建筑物，城市基体，美观的公共建设，流动性，水资源问题，浪费问题，社区担保计划和能源问题。

This mode systematically connects the key points of urban and rural areas, public welfare and tourism together.

此模式，较为系统的将城市、乡村、公益（主题）以及旅游等关键词有机的衔接到一起。