空间、属性、时间是地理现象的三个基本特征或地理信息系统数据库的三种基本数据成分。
Space, thematic attribute and time are the three basic characteristics of geographical phenomena or the essential data types of GIS database.
通过对客户的基本数据进行神经网络预测，可以发现描述流失客户基本特征的属性值集合以及对应的是否流失的结论。
The authors can find attribute set of churn customer's basis character and the conclusion that whether or not churn by implementing neural network forecast on the basis data of customer.
以云南省个旧西区为研究区域，选用TM多光谱遥感数据为基本数据源，了解围岩蚀变分布情况和构造特征。
This paper studies in the western part of GeJiu, Yunnan Province, using ETM multi-spectral data. finding out the spatial distribution of wall rock alterations and recognize structures.
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