结果显示，长江下游悬移载荷的粒度组成以粉砂、粘土为主，几乎不含砂，分选较差，泥沙来源比较复杂。
The results show that the suspended sediments of the Changjiang River are mainly composed of silt and clay, and with almost no sand.
红粘土的粒度分布表明，东亚冬季风环流而非北半球西风环流控制着红粘土物质的堆积过程。
The size distribution of red clay showed that the accumulation of red clay was controlled by East Asian monsoon circulation rather than westerly circulation.
沉积物粒度组成以粉砂为主，粘土和粉砂的含量较少。其中粉砂的平均含量为83.64%，粘土的平均含量为9.69%，砂的平均含量为6.67%。
The granularity compositions of sediments are mainly silts, whose average percentages is 83.64%. The percentages of sands and clays are 6.67% and 9.69% respectively.
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