The rivers running across large area with emergence of Mesozoic and tertiary stratum usually have high sediment concentration and large modulus of erosion.
穿过有大面积中生界和第三系地层出露地区的河流，其含沙量高，侵蚀模数大。
This paper researches the different testing methods of soil resilient modulus, and primarily evaluates their merits and shortcomings, applicable area and mend measure.
本文通过对不同土基回弹模量测试方法的研究，初步评价了其优缺点、适用范围及改进措施。
The study on regional distribution, area and sediment yield of different modulus of sediment transport provides a support to decide the coarse sand concentrated coming area.
研究不同输沙模数级的区域分布、面积及产沙量，为粗泥沙集中来源区界定提供支撑。
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