而大部分此类住宅区都出现了住房老化与环境质量下降的问题。
However, most of these housing areas are increasingly aging and facing to the problem of deterioration.
不适当的土地整理方式、方法和技术措施，会对农田生态环境产生负面影响，导致环境质量下降。
Unsuitable model, method or technical measures of land arrangement will bring the negative impact to the eco-environment of the farmland, that result in the decline of the environment quality.
军事冲突不仅给人类带来沉重的灾难，而且造成很多的安全隐患，比如环境质量下降及对人类健康的诸多威胁。
Military conflicts always bring human suffering. They also bring longer-term security threats, such as environmental degradation and new risks to human health. For the past seven years the u.
TSP污染物是造成淮阴空气环境质量下降的主要污染源，但其他两种污染物对淮阴区空气环境质量的影响也不能忽视。
The main pollutant that leads to decreasing air quality of Huanyin is TSP, however, the roles of other two pollutants also should not be neglected.
环境质量的总体下降已经影响了作物和土壤。
The general decline in environmental quality has affected crops as well as the soil.
而森林覆盖率下降，生态环境质量也相应下降。
To the contrary, the rate of forest coverage reduced, the eco-environment quality correspondingly deteriorated.
该项研究表明：1。目前厂区周围大气环境质量尚好，但是煤气厂投产后将有所下降，可能会影响农作物的生长和人群健康。
The present study showed: 1. The air quality around the plant is better, but it will be down and produced impact on crops growth and human health after the gas plant goes into operation.
该项研究表明：1。目前厂区周围大气环境质量尚好，但是煤气厂投产后将有所下降，可能会影响农作物的生长和人群健康。
The present study showed: 1. The air quality around the plant is better, but it will be down and produced impact on crops growth and human health after the gas plant goes into operation.
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