三道垃圾卫生填埋场位于长春市东部的城乡交错带，是土地利用动态变化较为突出和集中的地段。
The San Dao landfill located in rural-urban fringe of the east of Changchun city, is the location where the land use dynamic change are more concentrated and prominent.
城乡交错带是城市与乡村的过渡地带，它是目前全球范围内土地利用问题最直接、最敏感的地区。
As a transitional belt between the central city and surrounding typical agricultural region, the peri-urban area has the most problems on the land use in the world.
但已有的相关研究，大多集中在对城乡交错带、公路或矿区周围土壤的研究上，对火电厂周围土壤重金属污染的研究较少。
While existing research mostly focused on the soils around fringes, roads or mines, there was little research on heavy metals in soils around thermal power plants.
但已有的相关研究，大多集中在对城乡交错带、公路或矿区周围土壤的研究上，对火电厂周围土壤重金属污染的研究较少。
While existing research mostly focused on the soils around fringes, roads or mines, there was little research on heavy metals in soils around thermal power plants.
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