求翻译：土壤中的重金属污染物与其它的污染物具有不一样的物理化学性质，因此也具有不一样的环境效应。其它的污染物一般能够被土壤中的微生物降解和分解，因而可以自己降低在土壤中的含量，但是土壤中的重金属污染物则不被微生物降解，因而如果不采取相应的治理措施，可长期滞留在土壤中（汞除外，因为汞具有挥发性，土壤经太阳照射后温度会升高，可使少量的汞逸出土壤进入大气中）。而且重金属污染物一般是在土壤中的耕作层中累积，很容易被作物所富集，或者是通过降雨淋溶渗透或地表径流的方式污染地下水是什么意思？

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In the soil heavy metal pollutant has the dissimilar physico-chemical properties with other pollutant, therefore also has the dissimilar environment effect.Other pollutant can generally by the soil in microbial degradation and the decomposition, thus may own reduce in the soil the content, but in so

Heavy metals and other pollutants in the soil have different chemical properties, and therefore have different environmental effects. Other of pollutants General can was soil in the of microbial degradation and decomposition, thus can own reduced in soil in the of content, but soil in the of heavy m