表层沉积 surficial deposit
- 表层沉积物主要污染因子为有机质;
The primary pollutant of surface sediment is Organic matter. - 而表层沉积物稀土特征反映了人类活动的影响。
And the geochemical characteristics of the surface sediments reflect the impact of anthropogenic activities. - 表层沉积物总磷的释放作用易受到扰动强度的影响。
The phosphorus release in the surface layer is affected by the disturbing condition.
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