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.
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.
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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