介绍了基于案例推理的数据挖掘技术及其实现方法，以此为依据建立体检信息分析的数据挖掘模型。
Introduced the case-based reasoning of data mining technique and the realized method, took this as the basis to build up the data mining model of the body detection information analysis system.
分析了利用SPOT卫星影像提取下垫面信息的现状，包括工程实践中通过SPOT立体像对恢复DEM的方法及其特点以及其他下垫面信息的提取方法及其特点；
An analysis was performed of the method and characteristics of SPOT stereopair for DEM generation and some other methods for underlying surface information extraction currently used in engineering.
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