样品类型包括岩石样品，水分沉积物，水样以及偶而采用的大间距土壤样品。
The sample types include rock sample, stream sediments, water samples and rarely, widely spaced soil samples.
土壤和沉积物是有机污染物的最终归宿之一。
Soils and sediments are the main final fate of organic pollutants.
铁矿物是环境水体、土壤、沉积物和岩石的主要组分。
Iron minerals are the main constituent of waters, soils, sediments and rocks in nature.
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