The necessity of multisource data was analyzed from the aspect of civil engineering road plan and design.
分析了市政道路规划与设计对多源数据的需求，以及在该领域中常用的多源数据的类型及其特征。
For the full exploitation of increasingly sophisticated multisource data, a lot of image fusion algorithms have been developed.
遥感影像信息融合是有效利用遥感海量数据的关键技术。
Similarity measure is usually used to study the similar degree between multisource data, which is the basis of pattern recognition on spatial data.
相似性度量是用于研究多源数据之间相似程度的，是对空间数据进行模式识别的基础。
Spatial Database Engine; Spatial Database Management System; Seamless Integration of Multisource Spatial Data; Adjusting and Optimizing; Massive Spatial Data.
空间数据库引擎；空间数据库管理系统；多源空间数据无缝集成；调整和优化；海量空间数据。
Spatial Database Engine; Spatial Database Management System; Seamless Integration of Multisource Spatial Data; Adjusting and Optimizing; Massive Spatial Data.
空间数据库引擎；空间数据库管理系统；多源空间数据无缝集成；调整和优化；海量空间数据。
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