一些冲积物是钻石的丰富来源。
表土花粉可能成为冲积物花粉的一部分。
冲积物是第四纪孢粉分析经常遇到的研究对象。
Alluvial sediments are frequently used in Quaternary pollen studies.
厂区分布第四系冲积物及牛轭湖相沉积层，基岩为第三系红层。
Plant area was distributed over Quaternary system alluvium and deposit of oxbow lake facies, base rock is Tertiary red rock.
我发现玻璃陨石卵石的地方就是一个古老的地下洞穴，后来被冲积物填平了。
Where I found the glass aerolite was a sink hole long ago and it was fulfilled with outside materials through long long term.
将含矿冲积物在装有水的淘沙盘中不断摇动，较重的矿粒沉底，而较轻的颗粒则被洗掉。
When the mineral-bearing alluvium is shaken in the water-filled pan, the heavier particles sink to the bottom while the lighter ones are washed away.
洪水期冲积物中的木本植物花粉主要是由雨水片流将春季落入表土的花粉带入河水中所致。
Arboreal pollen in alluvium mainly came from the surface pollen fallen on the ground in spring which was carried by sheet flow during the floods.
特别是在与冲积物相比较时，河流沉积趋向于分选得很好，因为河流提供了较稳定的搬运作用。
Fluvial deposits tend to be well sorted, especially in comparison with alluvial deposits, because of the relatively steady transport provided by rivers.
某电厂位于长江南岸的长江大堤堤内圩区。属长江河漫滩地貌单元。厂区分布第四系冲积物及牛轭湖相沉积层， 基岩为第三系红层。
Some Power Plant was situated in dike area of the south bank of a Yangtse River, belong in valley flat geomorphic unit.
某电厂位于长江南岸的长江大堤堤内圩区。属长江河漫滩地貌单元。厂区分布第四系冲积物及牛轭湖相沉积层， 基岩为第三系红层。
Some Power Plant was situated in dike area of the south bank of a Yangtse River, belong in valley flat geomorphic unit.
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