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- Digital Topographic Data 数字地形数据
- Based on the field measured topographic data of the scour protection project of the main pylon pier of Sutong Bridge, a digital elevation model (DEM) is established. 摘要根据苏通大桥主塔墩基础冲刷防护工程区内的实测地形资料，建立数字高程模型(DEM)。
- This paper analysis diathesis which would influence the quality of the large-scale digital topographic map from two aspect, and discusses the methods of the controlling data quality. 文中从野外采集数据和地图数字化两个方面分析了影响大比例尺数字地形图数据质量的因素，讨论了数据质量控制的方法。
- Residential data is a kind of important topographic data and continually change. 摘要居民地数据是一类重要的地形数据，其变化非常频繁。
- Some researchers have argued that Mars had extensive oceans: images and topographic data hint at shorelines and smooth ocean floors. 有些研究人员认为，火星曾有广大的海洋：影像和地形资料暗示著有海岸线与平缓海底的存在。
- Through comparison between traditional survey and digital topographic survey, the specialties of digital topographic survey are analyzed in detail by basis of production practice. 以生产实践为基础，通过与传统测量的比较，详细分析了数字化地形测量的特点，提出了其优越性。
- This site offers data on ecosystems, geomagnetism, heat flow, natural hazards and gravity along with topographic data and DEMs covering the whole world with emphasis on the USA. 此网站提供有关生态系统、地磁、地热、自然灾害、重力与地形数据。这些数据基本覆盖全世界，重点是美国地区。
- Digital topographic map? 数值地形图?
- Using multi scale DEM datum, multi scale topographic index are extracted and mapped in the whole country and sample area in bess plateau, which prepare topographic datum basis for developing regional soil and water loss assessment model. （2）利用多尺度的DEM数据，提取了多尺度的水土流失地形指标，编制了全国及黄土高原典型样区的水土流失地形指标专题图件，为多尺度区域水土流失评价模型的建立准备了地形数据基础。
- The array data displays gene amplification and losses as topographical data. 序列数据显示基因扩增，丢失作为地形学数据。
- On Skills in Digital Topographic Mapping 数字地形图测绘中的几点技巧
- Digital Topographic Support System 数字化地形测量支援系统
- United States Army Engineer Topographic Data Center 美国陆军工兵地测数据中心
- Experts can combine pictures taken from airplanes and satellites with topographical data. 专家们能把航空和卫星照片与地形数据结合起来。
- This method is applied to generate the digital topography of river reach from Huayuankou to Lijin in the Lower Yellow River. 以黄河下游花园口至利津河段为例详述了黄河下游河道数字地形生成的原理及实现。
- If your data is about topographical data, you could use blue for water, green for vegetation, brown for desert and mountains, and white for ice and snow. 对于表示地形的数据,您可以使用蓝色代表水,绿色代表植被,棕色代表沙漠和山脉,白色代表冰和雪。
- full digitalization topographic map 全数字地形图
- A Test of Use of GPS RTK Technology in Digital Topographic Surveying 技术在数字化地形测量上的应用实验
- Topographic Datuming Operator (TDO) 地形基准面校正算子（TDO）
- Furthermore,we analyze the impacts of wind wave and topography on the thermal structure based on the QSCAT Wind vector data,the T/P Significant Wave Height(SWH) data and topography data. 在此基础上结合最新的卫星风场、有效波高场和地形资料,分析了风浪及地形对温度结构的影响。
