Therefore, the area is typical to study the environmental change of China, even of the globe since Quaternary Period, especially since the Holocene Epoch.
所以该地区是研究第四纪以来，特别是全新世以来中国及全球环境变化的典型地区。
With Zhenezhou area as an example, this paper discusses the application of geochemical exploration to the study of environmental background values and environmental evaluation.
本文以郑州地区为例，讨论了冲积平原区用地球化学勘查方法进行环境背景值和环境评价方面的研究。
Line transects of systematic sampling were used to survey the fundamental characteristics of the environmental variables in the study area.
通过系统取样的样线法调查整个研究区域环境变量的特征。
Especially the first practice has more economic benefit whereas the second one has more environmental benefic, both are very suitable for the study area and worth to extend and popularize.
尤其是变耕地为果园和河岸植被缓冲带两项措施，前者经济效益显著，后者环境效益都显著，非常适合于该地区，值得大力推广。
Abstract With Zhenezhou area as an example, this paper discusses the application of geochemical exploration to the study of environmental background values and environmental evaluation.
本文以郑州地区为例，讨论了冲积平原区用地球化学勘查方法进行环境背景值和环境评价方面的研究。
The study on the soil environmental geochemistry in Chang-Zhu-Tan area shows that heavy metals in the industrial area were seriously polluted.
通过长株潭地区环境地球化学调查工作的实施，对长株潭地区土壤环境地球化学研究的工作方法进行了初步研究。
The study on the soil environmental geochemistry in Chang-Zhu-Tan area shows that heavy metals in the industrial area were seriously polluted.
通过长株潭地区环境地球化学调查工作的实施，对长株潭地区土壤环境地球化学研究的工作方法进行了初步研究。
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