This article reviewed the urban vehicle access control policies derived from disparate
spatiotemporal dimensions that aim to eliminate the negative externalities of traffic caused …

我们很高兴为您带来空气质量生活指数(AQLI) 的最新数据. 该数据表明, 细颗粒物空气污染仍然
是对公众健康的最大外部威胁. 然而, 纵观历史, 美国, 欧洲, 日本以及近年来的中国等国家都能够 …

We are pleased to bring you the latest data from the Air Quality Life Index (AQLI). This data
shows that fine particulate air pollution remains the greatest external threat to public health …