您要查找的是不是:
- prognosis of soil erosion 土壤侵蚀预报
- 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。
- 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
- 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。
- Conclusion the prognosis of OPCA is poor. 结论本病以支持和对症治疗为主,预后不良。
- Shaanbei Luochuan loess plateau is one of soil erosion districts which is mainly resulted from loess slump. 陕北洛川黄土塬是水土流失严重的地区。
- Cyclin prognosis of lung cancer patients. 周期蛋白
- Many factors influence on the prognosis of MDS. 研究认为MDS的预后受多种因素的影响,个体差异很大。
- The best way to undo the problem of soil erosion is to reforest the cultivated land. 解决水土流失问题的最好办法是退耕还林.
- Using alternant DEM, the study raised a new method based on the relation of sedimentation and precipitation to acquire the amount of soil erosion on hillslopes. 笔者提出一种基于不同时相实测数据建立交互数字高程模型研究坡面土壤沉积与搬运间的量化关系的方法,进而获得小流域坡面不同时相间的土壤侵蚀量。
- There are some clods of soil on the mat. 垫子上有些土块。
- The expenses for the prevention and control of soil erosion arising in the course of production shall be allocated from the production cost. 生产过程中发生的水土流失防治费用,从生产费用中列支。