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- Ningxia is in the greatly active area of Neotectonics, and the degree of soil erosion in this area is very high. 宁夏是水土流失严重的地区,也是新构造运动十分活跃的地区。
- Based on the analysis of models abroad, a model of soil erosion was set up to assess the impacts of conservation tillage practices in dry land areas of Northern China. 摘要在分析国外风蚀模型资料的基础上,建立了适用于保护性耕作的风蚀模型。
- On Research of Change Trend of Soil Erosion in Mountain Area of Hebei Province 河北省山区土壤侵蚀动态变化趋势研究
- Ground is an area of soil and earth. 指土壤和土地的一个区域。
- Discussion on Criterion of Classification of Soil Erosion in the Three Gorges Reservoir Area of Chongqing 重庆市三峡库区土壤侵蚀分级分类标准的探讨
- Contributing Factors of Soil Erosion in Fanuland Shelterbelt Network Area of Western Heilongjiang Province and Control Measures 黑龙江省西部农田林网区水土流失成因与防治对策
- Study on Influencing Factor of Soil Erosion Caused by Sloping Surfaces During Once Rainfall in Loess Hilly Area of Inner Mongolia 内蒙古黄土丘陵区次降雨条件下坡面土壤侵蚀影响因子研究
- Running water is one of the principal causes of soil erosion. 奔流不断的水是侵蚀土壤的主要原因。
- The third major indirect cost of soil erosion is the loss of navigability. 土壤侵蚀第三个重要的间接代价是丧失航行能力。
- Shuimo river valley is a serious area of Urumqi soil erosion,is densely populated area of industry advanced and also tour scenic spot. 水磨河流域是乌鲁木齐市水土流失最严重的地区,是工业发达的人口密集区,也是风景旅游区。
- Soil erosion of small draining area of Hongshiquan trench producing in rainy season threaten directly the safety production of the up-bay mine. 红石圈渠小流域雨季产生的水土流失直接对上湾煤矿安全生产构成严重威胁。
- Comprehensive control of soil erosion has brought noticeable achievements. 水土流失综合治理成效显著。
- Probably the most common use of geotextiles is in the area of soil stabilization, erosion control, and drainage in ground installations. 土工织物使用最普遍的领域有;地层的稳定,水土流失的防止及土层的排水。
- area of soil erosion 水土流失面积
- The main cause of soil erosion is deforestation for farmland reclamation and cultivation on steep slopes. 水土流失的主要原因是毁林开垦,陡坡种植。
- The total area of the soil erosion has reduced from 3.67 million km2 in late 1980s to 3.56 million km2 in late 1990s, with 110000 km2 reduced in ten years, among which, water erosion reduced by 140000 km2 and wind erosion increased by 30000 km2. 全国水土流失总面积由20世纪80年代末的367万平方公里减少到90年代末的356万平方公里,10年间减少了11万平方公里,其中水蚀减少了14万平方公里,风蚀增加了3万平方公里。
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- In west area, the efficient farming technique can change slope landforms, reduce soil erosion, increase the ability of soil conservation, improve soil fertility and increase crop yield. 在西北干旱地区实施有效的耕作技术,对改变坡面微地貌、减少土壤侵蚀、增加土壤抗性、蓄水、保土性能、培肥地力和提高作物产量均有显著作用。
- Mechanism of soil erosion is put a bridle on spontaneous factor and action of humanity. 河源区水土流失受自然因素和人类不合理开发利用因素联合控制,但后者的作用更为重要,而且导致了河源新的危害性更大的水土流失类型。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮