A simple and practical digital topographic model of the band-formed grid method has been chosen.
本方法选用了简单实用的带状方格网式数字地形模型。
The paper discussed the method of setting up and applying digital topographic model for a certain area of forest resource management.
讨论在一个具体森林资源管理区域内建立和应用数字化地形模型的技术方法。
Topographic model, deposit solid model, rock and fault solid model are built based on the study on data permutation and vectorization of original modeling data of Tongchang Copper Mine.
在对铜厂铜矿原始建模资料进行了数据转换、矢量化等研究工作的基础上，建立了整个矿山的地表模型、矿床实体模型、岩层及断层实体模型。
The topographic analysis of grasshopper outbreak is the base to develop the prediction model for grasshopper outbreak.
草地蝗虫发生的地形分析是建立草地蝗虫发生预报模型的基础。
Then, the sensitivity tests were performed to examine the change of topographic parameters by the ARPS model, which are consistent with theoretical results.
最后利用ARPS模式对地形参数的变化进行了敏感性试验，模拟结果与理论结果相吻合。
Based on the conventional RD model, different backscattering models are applied to simulation for different topographic characteristics, such as alpine terrain or flat terrain.
在传统RD模型的基础上，根据不同地形特征(起伏地形和平坦地形)考虑不同的后向散射模型。
RUSLE is a field model, when using the model in watershed, properly determining topographic factor is crucial.
RUSLE是一个坡面模型，当将模型用于流域层次时，关键是地形因子的确定。
Digital Elevation Model (DEM) records topographic fluctuation changes and in which it contains various topographic construct information including valley lines and ridge lines.
数字高程模型(dem)是记录地形起伏变化的资料，当中蕴含着各种地形地貌的结构信息，其中包括山谷线和山脊线。
As physics-mathematics model of topographic amendment is created, it have been put forward to selectmethod of largest radius about topographic amendment.
通过地形改正数学物理模型的建立，提出了地形改正最大半径的选择方法。
Combined with the topographic and physiognomic maps of natural terrains, a 3-D model which generates the geometrical structures of complex terrain, has been developed.
结合自然地表的地形地貌图，建立了复杂自然地表三维几何结构生成模型。
This paper discussed in detail algorithm of geometric rectification by scanned topographic map based on teaching model with least squares method to heighten image quality and data accuracy.
针对扫描矢量化这一数据采集手段，以提高图像质量、数据精度为目的，以教学模型为基础，利用最小二乘原理，详细讨论了扫描后的地形图几何纠正算法。
Based on the triangle truncation at wavenumber 10, a study is made of the topographic influence on the intra—seasonal oscillation (ISO) in terms of a 5—level low—order global spectral model.
使用三角形截断，截断波数为10的五层全球谱模式研究地形对季节内振荡的影响。分析了有地形和无地形模式模拟的一年带通滤波资料。
The foundation of the simulations lies on how to obtain hydrologic and topographic parameters from Digital Elevation Model(DEM).
基于数字高程模型（DEM）中提取流域水系是分布式水文模拟的基础与关键。
The water levels and water volumes of the lake in different periods were calculated by using a digital elevation model created by the topographic map.
利用数字高程模型求取易贡湖各时相的水位与水量；
In reality, in order to get more convenient data organization for drawing, LOD model is to use theory of algorithms to reform intrinsic grid topographic data base.
所谓的LOD建模，其实质就是采用一定的算法思想将原有的网格地形数据进行重组，得到一种更加便于实时绘制使用的数据结构。
In reality, in order to get more convenient data organization for drawing, LOD model is to use theory of algorithms to reform intrinsic grid topographic data base.
所谓的LOD建模，其实质就是采用一定的算法思想将原有的网格地形数据进行重组，得到一种更加便于实时绘制使用的数据结构。
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