呵呵,我的文章_小子我_新浪博客 关键词] 模糊数学；环境地球化学；地球化学基线；盖子模型 [gap=560]Keywords： Fuzzy math；Environmental Geochemistry；Geochemical Baseline；Cover Model
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本文以合肥地区为例，研究典型城镇土壤中重金属元素的环境地球化学基线。
This paper studied the environmental geochemical baselines of soil metal elements in the typical towns in Hefei area.
地球化学基线的确定方法和相关方法技术研究是目前国内外地球化学基线研究的重点和难点。
Determining approach and relative techniques are the focal point and difficulty of the geochemical baseline study.
环境地球化学基线提供了对比及判别人类或者自然事件造成的环境扰动的标准，其研究具有重要意义和迫切需求。
It is of great significance to study the environmental geochemical baseline which supplies a standard to compare and distinguish the environmental disturbance caused by human events or natural events.
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