| 释义 |
Dem.
基本例句
Democrat; abbr.;=Democrat
On the other hand, with the developing of the geographic information system GIS and digital evaluation model DEM, it is possible to extract geomorphologic parameters from digital terrain.
另一方面随着地理信息系统 GIS和数字高程模型 DEM的发展，从数字地形中直接提取地貌参数已成为可能。 cnki
The U.S. Geological Survey USGS released an extremely popular global DEM data set into the public domain several years ago.
前几年，美国地质调查局 USGS向公共领域发布了一个非常受欢迎的全球 DEM数据集。 ibm
The DEM format encodes elevation data to create highly detailed terrains.
DEM格式编码高程数据来创建高清晰地形。 ibm
The digital analysis of catchments properties from DEM is studied, such as the extraction of river network, boundary of subwatershed and distributed catchments characters.
研究了基于 DEM的流域特征信息的提取，包括水系的提取、子流域的划分、流域边界线的提取等； cnki
An applied arithmetic of radar practical planar detection power based on DEM is presented, which can simulate radar practical planar detection power at any altitude.
给出了一种基于 DEM数据的雷达实际平面探测威力实用算法，实现了雷达在任意高度层的实际平面探测威力的自动仿真生成。 iciba
As a digital expression of earth surface, DEM has a widespread application.
DEM作为地球表面的数字表达，有着广泛的应用。 cnki
As the data base of the GIS digital terrain analysis, Digital Elevation Model DEM contains rich of terrain, topography and related geo- information and knowledge.
数字地形模型 DEM包含着丰富的地形、地貌及相关的地学信息与知识，是 GIS数字地形分析的数据基础。 cnki
Establishment of DEM and program design method of isohypse produced automatically by discrete spot height are presented.
介绍了通过离散高程点，创建 DEM，自动生成等高线的程序设计方法。 cnki
Experimental results indicate that the main influencing factor on the accuracy of DEM data is pixel size.
实验结果表明，影响 DEM数据的精度的主要因素是像元大小。 cnki
For example, Digital Elevation Model DEM data points are equally arranged in a grid pattern.
例如，数字高程模型 Digital Elevation Model， DEM数据点在网格图形中均匀排列。 ibm
In this paper the author discusses the theories and methods on making high quality DEM and TIN based on terrain feature from digital contour line.
本文全面系统地论述了基于等高线、地性特征建立 TIN和 DEM的理论和方法。 cnki
The results show that the DEM method can better simulate the flow characteristics in the bubbling fluidized bed.
结果表明， DEM方法能很好地模拟鼓泡床内的流动特性。 cnki
The distribution law of DEM data can provide the reference evidence for selecting color layer and chroma to represent landform.
在用分层设色表示地貌时， DEM数据分布规律是合理地选择色层和色度的重要参考依据。 cnki
The landscape types and patterns were directly reflected by the overlay of the landscape types and the DEM of Harbin.
将景观类型和哈尔滨市数字高程模型 DEM相叠加，更加直观地反映了哈尔滨城市郊的景观类型和景观格局； iciba
This paper makes use of Monte Carlo method to simulate the uncertainty of extracted DEM using Jiangning as an experimental area.
本文以江宁为实验区，用蒙特卡罗方法对所提取的 DEM进行不确定性模拟。 cnki
This paper makes use of Monte Carlo method to simulate the uncertainty of DEM. It emphasizes on the generation of random field and the determination of N.
本文采用蒙特卡罗方法模拟 DEM的不确定性，其中，重点描述了随机场的产生和 N值的确定。 cnki
This Paper discusses the theories and methods on making high quality DEM bases on terrain feature from digital contour line.
本文系统地阐述了基于等高线数据建立高质量 DEM的理论和方法。 cnki
This method plays an important part in the process of creating DEM data of seabed and simulating the seabed terrain.
该方法对快速生成海底 DEM数据，进行海底仿真具有重要的作用。 cnki
DEM is a digital expression of landform surface, and is of great advantage to three-dimensional visualization and statistical analysis.
DEM是地形表面的数字表达，易于三维可视化和统计分析。 cnki |