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- Survey and estimation of current agricultural land productivity based on large scale soil mapping unit: taking northwestern Shandong as a case 鲁西北地区土地现实生产力调查与估算
- soil mapping unit 土壤制图单元
- A surveying and mapping unit shall establish and improve the system of quality control over its surveying and mapping results. 测绘单位应当建立、健全测绘成果的质量管理制度。
- Asurveying and mapping unit shall be liable for compensation for any losses caused to a user or users by its substandard surveying and mapping results. 第三十条测绘成果质量不合格给用户造成损失的,测绘单位应当承担赔偿责任。
- The evaluation section of the spatial database consisted of the overlayed patches the current land use map and the basic farmland protection map and the soil map. 耕地地力评价单元通过叠加土地利用现状图、基本农田保护区规划图和土壤图所形成的图斑组成。
- While applying it, we study the spatial distribution of PN (P) load on the Guishui watershed according to the DEM and the information obtained from land use map and soil map. 根据妫水河流域的土壤图、土地利用图及数字高程模型,应用新的模型研究了妫水河流域颗粒态氮磷污染负荷的空间分布。
- According to the research, the slope unit has more explicit topographical and geological form than other mapping unit, which provided scientific reference for hazard reduction. 以流域作为评价单元充分体现了泥石流发生的空间特征和物理机制,危险性区划图直观明了,可为防灾减灾规划提供科学依据。
- This paper mainly studied on debris flow in Xiuyan county, took the slope unit as the mapping unit and gave hazard zonation of debris flow of Xiuyan county based on artificial neural network (ANN). 摘要本文以岫岩县作为研究区域,以自然流域作为评价单元格,采用人工神经网络对该区泥石流的区域危险性进行评价。
- Vulnerability Analysis and Mapping Unit; 弱点分析和绘图股;
- Because of the special geomorphology in areas of shallow overburden, it is difficult to delimit the boundary between mapping units in regional geological mapping. 摘要由于浅覆盖区的特殊地貌,给区域地质填图带来一定的困难。
- Abstract: Because of the special geomorphology in areas of shallow overburden, it is difficult to delimit the boundary between mapping units in regional geological mapping. 提要 :由于浅覆盖区的特殊地貌,给区域地质填图带来一定的困难。
- Automated Soil Mapping by Using Classification Tree Algorithm 运用分类树进行土壤类型自动制图的研究
- Some plants push their roots deep into the soil. 一些植物的根深深长入土中。
- In this paper it was found the conditions of existence of the univalent harmonic orientation-preserving mapping f(z) which satisfies the equation =a(z)f_z for given Beltrami coefficient a(z) and maps unit disk U onto a given polygon P. 本文对于给定的Betrami系数a(z)找到了存在将单位圆盘U映射为给定的多边形P并且满足方程的单叶调和保向映射函数f(z)的条件。
- Such crops won't grow in limy soil. 这类作物不能在石灰质的土壤中生长。
- What shall we grow in this alkaline soil? 我们应该在碱性土壤里种什么?
- Digital Soil Map of the World and Derived Soil Properties -- CD-ROM 世界数字土壤分布图以及衍生的土壤特性
- The competent department of surveying and mapping in the armed forces shall be responsible for the verification of the qualification of surveying and mapping of military surveying and mapping units. 军队测绘主管部门负责军事测绘单位的测绘资格审查。
- There are a lot of worms in the soil. 泥土中有许多蠕虫。
- In the present work, sequence-paleogeographic mapping is implemented on the s econd member of the Upper Triassic Xujiahe Fm. and the Upper Jurassic Ponlaizhen g Fm. in western Sichuan, China, with system tracks taken as the mapping units. 研究重点选择上三叠统须家河组二段和上侏罗统蓬莱镇组,按体系域进行层序-岩相古地理编图。
