In the stream sediment, the content of elements appears obvious difference at the boundary line of 80-mesh granularity, and the content of elements (-80 mesh) is obviously disturbed by eolian sand.
英
美
释义
水系沉积物中,元素含量以80目级为界出现明显差异,-80目粒级元素含量明显受到风成沙干扰。
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