城市林业建设可以防止城市环境污染，改善城市环境。
The urban forestry construction could prevent against environmental pollution and improve the urban environmental quality.
对城市环境污染的现状和成因进行了分析，并提出了几点建议。
The author of the status of urban environmental pollution and the causes are analyzed, and made several Suggestions.
铅同位素示踪理论应用于城市环境污染源的研究，能够取得比较理想的结果。
And the study on application of lead isotope tracing for city environment pollution sources can get a good result.
以攀枝花市为例，初步研究了该市土壤中微量元素分布的地球化学特征及城市环境污染特征。
A case study from Panzhihua city, primary studies about urban environmental geochemistry of trace elements in the soil were carried out.
然而，一些工厂迁出城市，使城市环境污染减轻的同时，并不意味着我国的环境污染问题得到了解决。
However, some factories move out of cities, and urban environmental pollution reduced. At the same time, it does not mean that China's environmental problems have been solved.
往往城市交通阻塞大都发生在交叉口，不仅导致了车流中断、事故增加、延误加重，还导致城市环境污染加剧。
Urban traffic congestion most often occurred in the intersection, which not only led to traffic disruption, accidents increased and delays aggravation, also led to urban pollution increased.
往往城市交通阻塞大都发生在交叉口，不仅导致了车流中断、事故增加、延误加重，还导致城市环境污染加剧。
Urban traffic congestion most often occurred in the intersection, which not only led to traffic disruption, accidents increased and delays aggravation, also led to urban pollution increased.
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