dems

Three published polls all revealed the Lib Dems gaining ground at the Tories ' expense .

3个已公布的民意调查均显示自由民主党正在夺取保守党的阵地。

Construction and Application of Uniform Analysis Model for Terrain Visibility Based on DEMs

DEM地形可视性分析的统一模型构建与应用

A Review on the Scale Issue in DEMs and Digital Terrain Analysis

DEM及数字地形分析中尺度问题研究综述

Research on Fundamental Theory of Assessing the Accuracy of DEMs

数字高程模型精度评定的基本理论

Comparison of Slope Classification Methods in Slope Mapping from DEMs

基于DEM坡度图制图中坡度分级方法的比较研究

Method of Extracting Surface Peaks Based on Reverse DEMs

基于反地形DEM的山顶点自动提取

Good thing you dems gave them so much money to keep them here .

你们给了梦中的美好事物太多资金，使他们在这儿生存下来。

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。

Application of DEMs in Regional Soil Erosion Modeling

DEM与区域土壤侵蚀地形因子研究

A Research on Terrain Information Capacity of Different Spatial Scales DEMs in Loess Plateau

黄土高原不同空间尺度DEM的地形信息量研究

Modeling Slope Uncertainty Derived from DEMs in China Loess Plateau

黄土高原数字高程模型提取地面坡度的不确定性模拟

Conversion Accuracy Between DEMs of Different Data Structure in Loess Hill and Gully Area

黄土丘陵沟壑区不同数据结构DEM转换精度研究

Research on the Topographic Features ' Change Detection of Debris Flow Gully Using Dems

基于DEM的泥石流沟地貌环境特征变化探测研究

Analysis of the Slope Uncertainty Derived from DEMs

DEM提取坡度信息的不确定性分析

A Study on the Producing and Topographic Information Characteristics of 1 : 250 , 000 Scale DEMs

1：25万比例尺DEM建立及地形信息特征研究

Baseline estimation was very critical to the accuracy of the final DEMs .

在其关键技术中，基线估计是影响最终DEM精度的一个关键因素。

Research and Implementation of Automobile Reliability DEMS Based on shape from shading in the automobile surface reconstruction applied research

汽车零部件可靠性管理模型研究及应用反求工程中基于图像的汽车零部件曲面的重建

The Impact of Elevation Interpolation on the Accuracy of Gradient and Aspect from DEMs

高程内插方法对DEM所提取坡度、坡向精度的影响

However , the features of topographic information of these DEMs have not been clarified .

然而，对于这些DEM数据的地形信息容量特征却未能从理论上予以阐明。

The Lib Dems would be more awkward in a second term coalition .

自民党在第二个执政联盟中将更加尴尬。

Different spatial scales ( scale and resolution ) DEMs have great difference in the precision of terrain description .

不同空间尺度（比例尺、分辨率）的DEM在地形描述精度上有很大差异。

Usually , the minor errors of baseline estimation induced a major slope in the derived DEMs .

通常，较小的基线估计误差将会导致获取的DEM中存在较大的斜坡效应。

But most assume it would boost the Lib Dems .

但是大多数认为这会有利于自民党的发展。

American tax code , pushed by the Dems , give tax benefits to companies which ship jobs overseas .

美国的免税代码，对将工作机会转向海外的企业给予税收优惠。

InSAR is designed to measure high precision digital elevation models ( DEMs ) of terrain which has many applications .

干涉仪合成孔径雷达（InSAR）可以对地面高程进行有效测量，产生高精度的地面数字高度模型，具有广阔的应用前景。

Terrain Complexity Index and Its Derivation from DEMs

DEM地形复杂度指数及提取方法研究

Conflux Threshold of Extracting Stream Networks from DEMs in North Shaanxi Province of Loess Plateau

利用DEM提取陕北黄土高原沟谷网络的汇流阈值研究

With the increasing application of distributed hydrological model based on DEM the accuracy and resolution of DEMs is paid more attention .

随着分布式水文模型日趋广泛的应用，DEM的精度和其分辨率对水文模拟的影响已经引起人们的关注。

Comparison of Terrain Representation of SRTM and Topographic Derived DEMs

SRTM与地形图生成DEM的地形表达能力对比

Hydrological model simulations are affected by parameters derived from DEMs with different resolutions , which describes the watershed features .

地形状况决定流域基本特征，因此在进行流域水文过程模拟时，DEM分辨率会影响流域特征参数的提取，进而影响模拟结果。