fluvial landform 中文意思是什麼
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It indicats that the fluvial sedimentary sequence of the flood plain of weihe river in this region is rather complete and continuous. the grain - size analysis carried out in laboratory has revealed the characteristics of the changes of weihe river during last 1300 years. based on multi - disciplinary analyses, including landform characteristics, grain - size and documents datum, the paper has attained the following important conclusions
分析了渭河三個河流沉積物剖面的粒度組成特徵，剖面各層粒度分佈特徵，剖面粒度參數md 、 mz 、 、 sk 、 kg的變化，剖面粒度特徵值- 5 、 16 、 25 、 50 、 75 、 84 、 95的跳動，並將三個剖面的粒度特徵作了對比。
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