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- The Present State and Classification of Soil Erosion in Nanan District of Chongqing City 重庆市南岸区水土流失现状及类型分区
- Model of Comprehensive Evaluation on Classification of Soil Erosion in Zhejiang Province 浙江省土壤侵蚀等级划分模糊综合评判模型的初步探讨
- 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
- Study on Prediction Model and Intensity Classification of Soil Erosion in Jieba Mountain--A Case Study of Xiaobazi Country 接坝山地土壤水蚀、风蚀预报模型及强度分级研究--以丰宁满族自治县小坝子乡为例
- classification of soil erosion 土壤侵蚀分类
- 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。
- Comprehensive control of soil erosion has brought noticeable achievements. 水土流失综合治理成效显著。
- 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。
- 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。
- High accuracy DEMs is an important data in study of soil erosion and terrain feature space analysis. 高精度数字高程模型(DEM)是水土流失规律研究与流域地形空间分析中重要的空间数据。
- The classification of the community types mainly reflected the variations of soil salt content and ground water depth, which were decided by microtopography. 群落类型的划分主要反映了微地貌所决定的地下水埋深及土壤盐分含量的变化。
- Major Causes of Soil Erosion in the Upper Yangtze River Valley and the Control Countermeasures. 长江上游水土流失主要成因与防治对策
- There is a hierarchy in the classification of all living creatures. 一切生物均可按等级分类。
- 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。
- Abstract: The ecological sensitivity assessment of soil erosion in Liaoyang city was conducted. 摘要:选择土壤侵蚀进行辽阳市的生态敏感性评价。
- The research on soil erodibility is a crucial tache in understanding the mechanism of soil erosion. 对土壤可蚀性的研究是认识土壤侵蚀机理的一个重要环节。
- The characteristic of soil erosion in the slope was not homogenous with different gradient and land use manner. 不同土地利用方式、不同坡度下土壤侵蚀特征各不相同。
- There are some clods of soil on the mat. 垫子上有些土块。
- A phylogenetic classification of species. 按演化发展对物种进行的分类