Soil erosion is a main factor of soil degradation of purple soil sloping field in the Three Gorges reservoir area, and therefore leads to soil coarseness and acidification.
土壤侵蚀是三峡库区紫色土坡地土壤退化的主因,并由此造成土壤粗骨沙化和酸化。
As a soil conservation tillage method, ridged-furrow has been applied in sloping field.
垄作区田作为水土保持措施已在黑龙江省丘陵地区推广应用。
The results show that 80% of the soil particles in the runoff solid is silt and clay in the sloping field of red soil.
研究结果表明红壤坡地固体径流中80%以上土壤颗粒为粉粒和粘粒。
This kind of strata is distributed widely in the Quaternary overburden layer of mountain riverbeds and mountain sloping field.
这类地层广泛存在于山区河床,山前坡地等第四系覆盖层中。
In this paper, soil moisture vertical variance was used to analyze the moisture characteristic of soil in yellow soil sloping field of GuizhouProvince.
通过对土壤水分垂直变异的分析,探讨了贵州岩溶地区黄壤坡地的土壤水分特性。
The example calculation indicates that the rough neural network is an efficient and feasible algorithm to forecast sloping field rain drops splash-erosion.
实例计算表明,粗糙神经网络为坡面雨滴溅蚀量预测研究提供了一种有效可行的算法。
This thesis points out the incorrect methods for seeking the spacing between the contour lines of irregular sloping field, gives out and proves the right ways.
指出了求作不规则坡地等高线间距时不正确的方法,同时提出了正确的方法并进行了分析论证。
This thesis points out the incorrect methods for seeking the spacing between the contour lines of irregular sloping field, gives out and proves the right ways.
指出了求作不规则坡地等高线间距时不正确的方法,同时提出了正确的方法并进行了分析论证。
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